Candice Sizer

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North America's Waterways are Getting Saltier. That's a Big Problem.

A salty chemical cocktail could make rivers and streams more corrosive, leading to dangerous effects.<p>In the wake of a bomb cyclone that hit the Northeast U.S. in early January, many cities have sent out teams to dump fresh layers of ice-melting salt onto streets and sidewalks. But a new study shows …

Water

Scientists Link ‘Cat Parasite' to Common Human Neurological Disorders

A new study shows that <i>Toxoplasma gondii</i>—a brain parasite often transmitted to humans by cats—triggers various changes in the human brain which …

Introducing ‘dark DNA’ – the phenomenon that could change how we think about evolution

Some animals seem to have missing genes – but the reality is a lot more intriguing.<p>DNA sequencing technology is helping scientists unravel questions …

Oldest Known Case of a Creepy Liver Parasite Has Been Found in 375-Year-Old Mummy

People can still get this infection today.<p>An autopsy on a 375-year-old mummy from South Korea has turned up a rather grisly find: the corpse was …

A Surprising Way to Reduce Math Stress

Researchers followed 221 undergraduate psychology students taking a challenging statistics course. At the beginning of the course, students were …

Pedagogy

Scientists have edited the DNA of human embryos using CRISPR – now we need to work out the ethics

With headlines referring to "groundbreaking" research and "designer babies," you might wonder what the scientists actually accomplished. This was a big step forward, but hardly unexpected. As this kind of work proceeds, it continues to raise questions about ethical issues and how we should we react.<p>…

Study Suggests Link Between Perfectionism and Suicide

“Perfectionists are their own worst critics—good enough is never enough."<p>Perfectionism can be easy to dismiss as harmless—from the outside it can look like talent, ambition, and high standards. But psychologists have long suggested another perspective: that excessive drive and self-criticism can …

Climate change will feed wildfires: experts

Out-of-control wildfires like the ones that brought destruction to southern Europe, North America and parts of South Africa in recent weeks will …

Computer models provide new understanding of sickle cell disease

Computer models developed by Brown University mathematicians show new details of what happens inside a red blood cell affected by sickle cell …

Stephen Colbert and Al Gore trade climate change pick-up lines

Worried about the future of our planet? Looking for someone to share your panic? Or maybe just a hot date to go see <i>An Inconvenient Sequel: Truth to</i> …

Al Gore

The Newest Dinosaur to Be Discovered Looks Just Like a Modern-Day Bird

Not that they're closely related.<p>We're still making many discoveries about the animals that roamed the Earth more than 66 million years ago, and a …

Astronomers May Have Spotted The First Moon Outside of Our Solar System

Just 4,000 light-years away.<p>Astronomers have now discovered plenty of exoplanets – planets outside our Solar System orbiting suns like our own – but …