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Analyze data from tests to determine similarities and differences among several design solutions to identify the best characteristics of each that can be combined into a new solution to better meet the criteria for success.
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GeneticsScientists created human egg cells from skin cells
The technique could someday help people without reproductive cells of their own have children. But much more research is needed.
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EarthThese ultra-long experiments outlive their scientists — on purpose
To study phenomena that unfold over decades or even centuries, scientists may launch projects they may never see finished.
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Science & SocietyBehold the world’s weirdest library — which might save your life
This bizarre collection of “standard reference materials” help ensure the safety of waterways, buildings, medicines, foods and much more.
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Health & MedicineNew study links chemical in plastics to fatal heart disease
More than one in eight deaths from heart disease in older adults is being linked to DEHP. The plastic chemical appears to play a role in many other health issues, too.
By Skyler Ware and Janet Raloff -
Space35 years on, Hubble continues to revolutionize astronomy
The Hubble Space Telescope is an icon in astronomy. Here are some of its most out-of-this-world images.
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Artificial IntelligenceAI, make me a video game
Developers can use AI to generate code, dialog, playable environments and more. But at its heart, making video games remains a creative human endeavor.
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EarthCan engineering save Antarctica’s most vulnerable glacier?
Bold engineering projects might stabilize Thwaites Glacier and slow sea level rise. But no one knows if they will work — or have serious side effects.
By Douglas Fox -
Artificial IntelligenceDeepSeek pioneers a new way for AI to ‘reason’
Chatbots answer one question at a time. Reasoning agents work through a problem step by step. DeepSeek makes this new type of AI far less costly.
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TechFor teens, virtual reality worlds aren’t all fun and games
More than a third of surveyed teens who used VR headsets reported they had experienced hate speech, bullying or harassment in virtual reality environments.
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EnvironmentScientists want to create a sort of Noah’s Ark on the moon
Climate change is threatening Earth’s biodiversity banks. A lunar “ark” would safeguard seeds and cells against changes happening on Earth.
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ChemistryPredicting and designing protein structures wins a 2024 Nobel Prize
A biochemist and two computer scientists using AI shared the top award in chemistry.
By Meghan Rosen and Andrea Tamayo -
PhysicsAerodynamics involved in shooting hoops can make vehicles greener
Some ships host tall spinning cylinders that act like sails. Roughing the cylinders’ surface will greatly boost fuel efficiency, teen scientists find.