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Science + Tech – Articles, Analysis, Opinion

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Telling elders scary stories about online scammers is not the best way to keep them safe. Olga Gavrilenko/EyeEm via Getty Images

Older Americans are given the wrong idea about online safety – here’s how to help them help themselves

Older Americans are often taught to be fearful of hackers and scammers in their midst while also being told to investigate potential threats. Better advice is to not engage.
Psychedelics have been the subject of a recent surge of interest in their potential therapeutic effects. metamorworks/iStock via Getty Images

AI maps psychedelic ‘trip’ experiences to regions of the brain – opening new route to psychiatric treatments

Pinpointing the molecular targets behind the subjective effects of psychedelic drugs could help clinicians and researchers better treat psychiatric conditions.
Penicillin ushered in the antibiotics revolution, with amazing results during war and peace. Science & Society Picture Library/SSPL via Getty Images

Guns, not roses – here’s the true story of penicillin’s first patient

Albert Alexander was the first known person treated with penicillin. While his ultimately fatal case is well known in medical histories, the cause of his illness has been misattributed for decades.
This intercontinental ballistic missile was launched as part of Russia’s test of its strategic forces in 2020. Russian Defense Ministry Press Service via AP

Would Putin use nuclear weapons? An arms control expert explains what has and hasn’t changed since the invasion of Ukraine

Russia’s invasion of Ukraine and Vladimir Putin’s nuclear threats have the world on edge, but so far, long-standing arms control measures have helped keep the situation from getting out of control.
Rafael Mariano Grossi, director general of the International Atomic Energy Agency, points to the training facility hit by Russian artillery at the Zaporizhzhia nuclear power plant. AP Photo/Lisa Leutner

Russian troops fought for control of a nuclear power plant in Ukraine – a safety expert explains how warfare and nuclear power are a volatile combination

The world held its collective breath as Russian troops battled Ukrainian forces at the Zaporizhzhia nuclear power plant. The battle is over and no radiation escaped, but the danger is far from over.
How many X chromosomes you have can affect your health. John M Lund Photography Inc/Digital Vision via Getty Images

The sex of your cells matters when it comes to heart disease

A one-size-fits-all approach may not be best for treating cardiovascular disease. Taking sex chromosomes into account could make for more effective and equitable care.
A giant asteroid struck Earth and wiped out the dinosaurs 65 million years ago. Mark Garlick/Science Photo Library via Getty Images

An asteroid impact could wipe out an entire city – a space security expert explains NASA’s plans to prevent a potential catastrophe

NASA has only mapped 40% of the potentially dangerous asteroids that could crash into Earth. New projects will boost that number, and upcoming missions will test tech that could prevent collisions.
The International Space Station is run collectively by the U.S., Russia, the European Space Agency, Japan and Canada. NASA Marshall Spaceflight Center/Flickr

Russian invasion of Ukraine and resulting US sanctions threaten the future of the International Space Station

What happens to the International Space Station when tensions on Earth rise? A space policy expert explains how the ISS is run and how Russian aggression has threatened its operation in the past – and now.