Scientific American
===================
[
PharmaceuticalsMarch 4, 2025
Most People Stop Ozempic after Two Years. What Happens to Weight and Health?
--------------------------------------------------------------------------------
](/article/does-stopping-ozempic-cause-rebound-weight-gain-and-health-problems/)
Ozempic and similar GLP-1 weight-loss medications are designed to be a lifelong treatment. But a new study finds the majority of people who use these drugs quit after just two years
Lori Youmshajekian
[
](/article/on-covids-fifth-anniversary-scientists-reflect-on-mistakes-and-successes/)
Public HealthMarch 5, 2025
[
On COVIDâs Fifth Anniversary, Scientists Reflect on Mistakes and Successes
------------------------------------------------------------------------------
](/article/on-covids-fifth-anniversary-scientists-reflect-on-mistakes-and-successes/)
Tanya Lewis
[
](/article/trumps-plan-to-lower-egg-prices-and-a-threat-to-bird-flu-vaccines-explained/)
Bird FluMarch 5, 2025
[
The Latest on Egg Prices and a Bird Flu Vaccine in Jeopardy
---------------------------------------------------------------
](/article/trumps-plan-to-lower-egg-prices-and-a-threat-to-bird-flu-vaccines-explained/)
Tanya Lewis
[
](/article/how-early-could-life-have-emerged-in-the-universe/)
Extraterrestrial LifeMarch 5, 2025
[
Life May Have Emerged a Cosmic Eyeblink after the Big Bang
--------------------------------------------------------------
](/article/how-early-could-life-have-emerged-in-the-universe/)
Conor Feehly
[
](/game/classic-sudoku-medium-2025-03-05/)
GamesMarch 5, 2025
[
Medium Sudoku: March 5, 2025
--------------------------------
](/game/classic-sudoku-medium-2025-03-05/)
[
$0 for Digital Access
---------------------
Read all the stories you want.
](/getsciam/free-trial-offer/?utm_source=site&utm_medium=display&utm_campaign=evergreen-ads&utm_content=homepage_unit&utm_term=30_day_0)
* * *
[
](/article/in-state-of-the-union-speech-trump-touts-fossil-fuels-and-critical-minerals/)
PoliticsMarch 5, 2025
[
Trump Pushes His Fossil Fuel-Focused Energy Agenda in State of the Union Speech
-----------------------------------------------------------------------------------
](/article/in-state-of-the-union-speech-trump-touts-fossil-fuels-and-critical-minerals/)
Garrett Downs, E&E News
[
](/article/how-ants-may-save-you-from-future-traffic-jams/)
BehaviorMarch 5, 2025
[
How Ants May Save You from Future Traffic Jams
--------------------------------------------------
](/article/how-ants-may-save-you-from-future-traffic-jams/)
Allison Parshall
[
](/article/microsofts-and-googles-quantum-computing-claims-add-to-consumer-confusion/)
ArgonautMarch 5, 2025
[
Quantum Confusion Keeps Coming with Qubits
----------------------------------------------
](/article/microsofts-and-googles-quantum-computing-claims-add-to-consumer-confusion/)
Dan Vergano
[
](/podcast/episode/how-are-microplastics-getting-into-our-brain/)
Climate ChangeMarch 5, 2025
[
How Plastics in the Brain Connect to the Wider Debate over Petroleum
------------------------------------------------------------------------
](/podcast/episode/how-are-microplastics-getting-into-our-brain/)
Rachel Feltman, Megha Satyanarayana, Fonda Mwangi, Naeem Amarsy, Alex Sugiura
Explore Topics
* [Health](/health/)
* [Mind & Brain](/mind-and-brain/)
* [Environment](/environment/)
* [Technology](/technology/)
* [Space & Physics](/space-and-physics/)
* [Biology](/biology/)
* [Math](/math/)
* [Chemistry](/chemistry/)
* [Social Sciences](/social-sciences/)
* [Videos](/videos/)
* [Podcasts](/podcasts/)
* [Opinion](/section/opinion/)
* [Games](/games/)
* [Reports](/reports/)
[View All Stories](/latest/)
March 2025 Issue
----------------
[](/issue/sa/2025/03-01/)
[
](/article/the-elusive-brain-science-of-aha-moments/)
Neuroscience
[
The Neuroscience of Elusive âAha! Momentsâ
----------------------------------------------
](/article/the-elusive-brain-science-of-aha-moments/)
John Kounios, Yvette Kounios
[
](/article/look-for-slow-flower-bouquets-plants-grown-without-health-harming-chemicals/)
Public Health
[
The Beauty of âSlow Flowersâ versus the Pretty Poison of Plants Grown with Dangerous Chemicals
--------------------------------------------------------------------------------------------------
](/article/look-for-slow-flower-bouquets-plants-grown-without-health-harming-chemicals/)
Maryn McKenna
[
](/article/exoplanet-census-identifies-missing-planets-gap/)
Planetary Science
[
Where Are the Universeâs Missing Planets?
---------------------------------------------
](/article/exoplanet-census-identifies-missing-planets-gap/)
Dakotah Tyler
[
](/article/a-backyard-bird-offers-a-new-way-of-thinking-about-sexes/)
Evolutionary Biology
[
This Backyard Bird Has a Lot to Teach Us about Sex Variability
------------------------------------------------------------------
](/article/a-backyard-bird-offers-a-new-way-of-thinking-about-sexes/)
Donna L. Maney
[
](/article/worlds-most-accurate-clocks-could-redefine-time/)
Quantum Physics
[
Is It Time to Redefine Time?
--------------------------------
](/article/worlds-most-accurate-clocks-could-redefine-time/)
Jay Bennett
[
](/article/the-future-of-food-may-depend-on-crops-such-as-quinoa-that-thrive-in-salty-soils/)
Agriculture
[
Too Much Salt in the Soil Is No Problem for These Crops
-----------------------------------------------------------
](/article/the-future-of-food-may-depend-on-crops-such-as-quinoa-that-thrive-in-salty-soils/)
Rachel Parsons
[View Full Issue](/issue/sa/2025/03-01/)[Explore Archive](/issues/)
Games
-----
[
](/games/spellements/latest/)
[
Spellements
-----------
](/games/spellements/latest/)
Create as many words as you can!
[_View all game types here_](https://www.scientificamerican.com/games/)
[
](/games/math-puzzles/latest/)
[
Math Puzzles
------------
](/games/math-puzzles/latest/)
Stretch your math muscles with these puzzles.
[_View all game types here_](https://www.scientificamerican.com/games/)
[
](/games/)
[
All Games
---------
](/games/)
Science inspired games, puzzles and quizzes
Special Edition
---------------
[](/issue/special-editions/2025/03-01/)
[
](/article/inside-the-ai-competition-that-decoded-an-ancient-scroll-and-changed/)
Artificial Intelligence
[
Inside the AI Competition That Decoded an Ancient Herculaneum Scroll
------------------------------------------------------------------------
](/article/inside-the-ai-competition-that-decoded-an-ancient-scroll-and-changed/)
Tomas Weber
[
](/article/what-the-quest-to-build-a-truly-intelligent-machine-is-teaching-us/)
Artificial Intelligence
[
Building Intelligent Machines Helps Us Learn How Our Brain Works
--------------------------------------------------------------------
](/article/what-the-quest-to-build-a-truly-intelligent-machine-is-teaching-us/)
George Musser
[
](/article/the-god-chatbots-changing-religious-inquiry/)
Artificial Intelligence
[
God Chatbots Offer Spiritual Insights on Demand. What Could Go Wrong?
-------------------------------------------------------------------------
](/article/the-god-chatbots-changing-religious-inquiry/)
Webb Wright
[
](/article/artificial-intelligence-could-finally-let-us-talk-with-animals/)
Behavior
[
Artificial Intelligence Could Finally Let Us Talk with Animals
------------------------------------------------------------------
](/article/artificial-intelligence-could-finally-let-us-talk-with-animals/)
Lois Parshley
[
](/article/will-machines-ever-become-conscious/)
Computing
[
Will Machines Ever Become Conscious?
----------------------------------------
](/article/will-machines-ever-become-conscious/)
Christof Koch
[
](/article/scientists-are-putting-chatgpt-brains-inside-robot-bodies-what-could-possibly-go-wrong/)
Artificial Intelligence
[
Scientists Are Putting ChatGPT Brains Inside Robot Bodies. What Could Possibly Go Wrong?
--------------------------------------------------------------------------------------------
](/article/scientists-are-putting-chatgpt-brains-inside-robot-bodies-what-could-possibly-go-wrong/)
David Berreby
[View Full Issue](/issue/special-editions/2025/03-01/)[Explore Archive](/issues/)
Get Our Daily Newsletter
------------------------
I agree my information will be processed in accordance with the Scientific American and Springer Nature Limited [Privacy Policy](/page/privacy-policy/).
Sign Up
Thank you for signing up!
**[Check out our other newsletters](/newsletters/)**
Podcasts
--------
[
March 5, 2025
How Plastics in the Brain Connect to the Wider Debate over Petroleum
------------------------------------------------------------------------
](/podcast/episode/how-are-microplastics-getting-into-our-brain/)
Rachel Feltman, Megha Satyanarayana, Fonda Mwangi, Naeem Amarsy, Alex Sugiura
[
](/podcast/episode/first-measles-death-outbreaks-of-mysterious-illness-in-drc-and-microbes-in/)
Public HealthMarch 3, 2025
[
The Latest on Measles in the U.S, a Mystery Illness in the DRC and the Flu Vaccines
---------------------------------------------------------------------------------------
](/podcast/episode/first-measles-death-outbreaks-of-mysterious-illness-in-drc-and-microbes-in/)
Rachel Feltman, Fonda Mwangi, Alex Sugiura
[
](/podcast/episode/why-do-songs-get-stuck-in-your-head/)
MusicFebruary 28, 2025
[
Why You Canât Get That Song Out of Your Head
------------------------------------------------
](/podcast/episode/why-do-songs-get-stuck-in-your-head/)
Rachel Feltman, Josh Fischman, Fonda Mwangi
[
](/podcast/episode/gaia-spacecraft-stops-data-collection-for-milky-way-map/)
Space ExplorationFebruary 26, 2025
[
Saying Farewell to the Gaia Mission, Which Mapped the Milky Way
-------------------------------------------------------------------
](/podcast/episode/gaia-spacecraft-stops-data-collection-for-milky-way-map/)
Rachel Feltman, Lee Billings, Jeffery DelViscio, Madison Goldberg
[
](/podcast/episode/the-latest-on-the-texas-measles-outbreak-asteroid-2024-yr4-risks-and-fish/)
VaccinesFebruary 24, 2025
[
Measles Outbreaks, Asteroid Risks and Fish Friends
------------------------------------------------------
](/podcast/episode/the-latest-on-the-texas-measles-outbreak-asteroid-2024-yr4-risks-and-fish/)
Allison Parshall, Rachel Feltman, Fonda Mwangi, Naeem Amarsy
[More Podcasts](/podcasts/)
Popular Stories
---------------
[
Space ExplorationMarch 2, 2025
Blue Ghost, a Private U.S. Spacecraft, Lands on the Moon
------------------------------------------------------------
](/article/blue-ghost-a-private-u-s-spacecraft-successfully-lands-on-the-moon/)
After its successful lunar touchdown, Firefly Aerospaceâs Blue Ghost mission could soon be joined on the moon by two more commercial spacecraft
Lee Billings
[
Quantum PhysicsFebruary 27, 2025
In the Quantum Realm, Timeâs Arrow Might Fly in Two Directions
------------------------------------------------------------------
](/article/does-time-work-differently-in-the-quantum-realm/)
Scientists studying a centuries-old mystery of physics suggest two âarrows of timeâ control the evolution of quantum systems
Gayoung Lee
[
BiotechMarch 4, 2025
Company Seeking to Resurrect the Woolly Mammoth Creates a 'Woolly Mouse'
----------------------------------------------------------------------------
](/article/company-seeking-to-resurrect-the-woolly-mammoth-creates-a-woolly-mouse/)
On their quest to bring back the extinct woolly mammoth, Colossal Biosciences has developed the woolly mouse
Adam Popescu
[
MicrobiologyMarch 4, 2025
Your Candy Cravings Might Be Controlled by This Gut Bacterium
-----------------------------------------------------------------
](/article/your-candy-cravings-might-be-controlled-by-this-gut-bacterium/)
Mouse and human studies suggest a connection between a gut microbe and the appetite-regulating hormone GLP-1
Claire Maldarelli
[
MathematicsMarch 3, 2025
How Anime Fans Stumbled upon a Mathematical Proof
-----------------------------------------------------
](/article/the-surprisingly-difficult-mathematical-proof-that-anime-fans-helped-solve/)
When a fan of a cult anime series wanted to watch its episodes in every possible order, they asked a question that had perplexed combinatorial mathematicians for years
Manon Bischoff
[
PharmaceuticalsMarch 4, 2025
Most People Stop Ozempic after Two Years. What Happens to Weight and Health?
--------------------------------------------------------------------------------
](/article/does-stopping-ozempic-cause-rebound-weight-gain-and-health-problems/)
Ozempic and similar GLP-1 weight-loss medications are designed to be a lifelong treatment. But a new study finds the majority of people who use these drugs quit after just two years
Lori Youmshajekian
[View All Stories](/latest/)
Ă
Do Not Sell or Share My Personal Data
-------------------------------------
Your Opt Out Preference Signal is Honored
* ### Your Privacy
* ### Strictly Necessary Cookies
* ### Targeting (1st Party)
* ### Google & IAB TCF 2 Purposes of Processing
* ### Targeting (3rd Party)
* ### Share Or Sale of Personal Data
#### Your Privacy
When you visit our website, we store cookies on your browser to collect information. The information collected might relate to you, your preferences or your device, and is mostly used to make the site work as you expect it to and to provide a more personalized web experience. However, you can choose not to allow certain types of cookies, which may impact your experience of the site and the services we are able to offer. Click on the different category headings to find out more and change our default settings according to your preference. You cannot opt-out of our First Party Strictly Necessary Cookies as they are deployed in order to ensure the proper functioning of our website (such as prompting the cookie banner and remembering your settings, to log into your account, to redirect you when you log out, etc.). For more information about the First and Third Party Cookies used please follow this link.
#### Strictly Necessary Cookies
Always Active
These cookies are necessary for the website to function and cannot be switched off in our systems. They are usually only set in response to actions made by you which amount to a request for services, such as setting your privacy preferences, logging in or filling in forms. You can set your browser to block or alert you about these cookies, but some parts of the site will not then work. These cookies do not store any personally identifiable information.
* #### Functional Cookies
Always Active
These cookies enable the website to provide enhanced functionality and personalisation. They may be set by us or by third party providers whose services we have added to our pages. If you do not allow these cookies then some or all of these services may not function properly.
View Vendor Detailsâ
#### Targeting (1st Party)
Always Active
These cookies may be set through our site by ourselves. They may be used by ourselves to build a profile of your interests and show you relevant content or adverts on our sites. They do not store directly personal information, but are based on uniquely identifying your browser and internet device. If you do not allow these cookies, you may experience less personalised content and/or advertising.
View Vendor Detailsâ
#### Google & IAB TCF 2 Purposes of Processing
Google & IAB TCF 2 Purposes of Processing
Allowing third-party ad tracking and third-party ad serving through Google and other vendors to occur. Please see more information on Google Ads
View Vendor Detailsâ
#### Targeting (3rd Party)
Targeting (3rd Party)
These cookies may be set through our site by our advertising partners. They may be used by those companies to build a profile of your interests and show you relevant adverts on other sites. They do not store directly personal information, but are based on uniquely identifying your browser and internet device. If you do not allow these cookies, you will experience less targeted advertising.
View Vendor Detailsâ
#### Share Or Sale of Personal Data
Share Or Sale of Personal Data
Under the CPRA, you have the right to opt-out of the sale or sharing of your personal information to third parties. These cookies collect information for analytics and to personalize your experience with targeted ads. You may exercise your right to opt out of the sale or sharing of personal information by using this toggle switch. If you opt out we will not be able to offer you personalized ads and will not hand over your personal information to any third parties. Additionally, you may contact our legal department for further clarification about your rights as a California consumer by using this Exercise My Rights link.If you have enabled privacy controls on your browser (such as a plugin), we have to take that as a valid request to opt-out. Therefore we would not be able to track your activity through the web. This may affect our ability to personalize ads according to your preferences.
* #### Performance Cookies
Switch Label label
These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. They help us to know which pages are the most and least popular and see how visitors move around the site. All information these cookies collect is aggregated and therefore anonymous. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance.
* #### Social Media Cookies
Switch Label label
These cookies are set by a range of social media services that we have added to the site to enable you to share our content with your friends and networks. They are capable of tracking your browser across other sites and building up a profile of your interests. This may impact the content and messages you see on other websites you visit. If you do not allow these cookies you may not be able to use or see these sharing tools.
* #### Targeting Cookies
Switch Label label
These cookies may be set through our site by our advertising partners. They may be used by those companies to build a profile of your interests and show you relevant adverts on other sites. They do not store directly personal information, but are based on uniquely identifying your browser and internet device. If you do not allow these cookies, you will experience less targeted advertising.
View Vendor Detailsâ
Back Button
### Back
Filter Button
Consent Leg.Interest
checkbox label label
checkbox label label
checkbox label label
* View Third Party Cookies
* Name
cookie name
Clear
checkbox label label
Apply Cancel
Confirm My Choices
Reject All Allow All
[](https://www.onetrust.com/products/cookie-consent/)