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Tactical nuclear weapons were designed to be used on the battlefield rather than for strategic defense, but that doesn’t mean there’s a plausible case for using them.
Injecting reflective particles into the atmosphere won’t immediately cool the entire planet. A new study shows how parts of the US, China and Europe might still see temperatures rising a decade later.
The Double Asteroid Redirection Test successfully showed that it is possible to crash a spacecraft into a small asteroid. Whether the approach could save Earth from a future threat remains to be seen.
Erroneous calls increase the chances of subsequent calls in favor of the person who was harmed. What drives this behavior, and do people even recognize they’re doing it?
Mobile apps are sometimes ‘regionalized’ to better serve the needs of users, functioning differently in, for example, China than in Canada. But some of those differences pose security and privacy risks.
Much of the state is at risk of heavy rainfall, and the coast could see devastating storm surge, particularly around Tampa Bay.
Human memory doesn’t work like a video camera, simply recording a scene as it happens. But researchers know how to help children recall information accurately.
Antiretroviral therapies for HIV, while extremely effective, need to be taken daily for life. Designing antibody treatments that need to be taken only once could improve compliance and reduce drug resistance.
The US Senate voted to ratify the Kigali Amendment, agreeing on a bipartisan vote to phase down climate-warming HFCs. Now what?
Understanding how injury and disease, including COVID-19, can impair lung function can help researchers and clinicians better help patients who are experiencing chronic conditions
Crashing the 1,340-pound DART probe into the small moonlet orbiting the asteroid Didymos should redirect its trajectory – and could be a model for how to save Earth in the future.
Discarded pieces of landing gear, crashed spacecraft and wear and tear have produced a lot of debris that is now scattered around the Martian surface.
AI-generated voice-alikes can be indistinguishable from the real person’s speech to the human ear. A computer model that gives voice to the dinosaurs turns out to be a good way to tell the difference.
Nature begins forming patterns at the molecular level – and sometimes they grow to enormous sizes.
Newly discovered super-Earths add to the list of planets around other stars that offer the best chance of finding life. An astronomer explains what makes these super-Earths such excellent candidates.
Air Canada and United Airlines both have orders for hybrid electric 30-seaters. An aerospace engineer explains where electrification, hydrogen and sustainable aviation fuels are headed.
Renee Wegrzyn will lead the new Advanced Research Projects Agency for Health, which is tasked with speeding up how fast basic science is translated into real-world applications.
As early modern humans spread across the globe, their gut microbes genetically changed with them. Understanding the origins of gut microbes could improve understanding of their role in human health.
Phages, or viruses that infect bacteria, can lie dormant within chromosomes until they’re triggered to replicate and burst out of their hosts.
Ensuring that billions of dollars of federal funding for broadband service are well spent – and that consumers get what they pay for – comes down to knowing the actual speeds internet users experience.
The power plant’s sixth reactor has been shut down, all but eliminating the risk of a nuclear meltdown. But fighting at the site could still release radioactive material.
Existing genetic data and sequencing tools are overwhelmingly based on people of European ancestry, which excludes much of the rich genetic variation of the world.
Research shows underrepresented people in STEM studies thrive in learning environments that address their need to belong, feel competent and find meaning in their work.
Ethereum, one of the world’s largest blockchains and host of decentralized finance, NFTs and billions of dollars’ worth of cryptocurrency, is poised to dramatically reduce its energy consumption.