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Why your shoelaces come undone, according to science

The complex forces exerted on our laces act like an invisible hand out to trip us up, a finding that could solve mysteries beyond our feet.

April the giraffe says stop questioning my pregnancy

Or at least that's what her zookeepers say anyway. They urge webcam viewers to be patient; the calf will come out when it's ready.

Mosul zoo lion and bear flown out of Iraq

Simba the lion and Lula the bear, the ailing last two residents of Mosul zoo, were flown out of Iraq Monday to receive emergency care from an animal welfare group.

Your fitness tracker can count your steps, but it's not that good at monitoring your heart rate

Don't mistake your fitness tracker for a heart monitor. A test of four commercially available wrist monitors finds they aren't that good at monitoring your heart.

Gliese 1132b: Astronomers find a super-Earth that may have a watery atmosphere, just 39 light-years away

Super-Earth exoplanet Gliese 1132b may have an atmosphere with water vapor and methane, astronomers say.

A deadly fungus that's killed millions of bats in the Northeast has spread to Texas

The fungus that causes White-nose Syndrome, a disease that has killed millions of bats in the East, has just been found in Texas. Scientists didn't think it could spread there.

Speed up drug approvals at FDA? It's already faster than Europe's drug agency

Amidst Trump's calls for faster drug approvals, new research finds that FDA's process is more efficient than Europe's

Benefits of PSA test to screen for prostate cancer are roughly equal to its harms, expert panel says

Men with no symptoms of prostate cancer can take a PSA test to screen for early signs of the disease, but if they do they should know that the benefits are pretty much balanced by the risks.

‘Bad luck’ with random DNA errors is responsible for two-thirds of cancer mutations, study says

Even in a world with a pristine environment, no cigarettes and the ability to fix faulty genes inherited from our parents, most cancers still would occur thanks to biology and bad luck.

Gun injuries cost Americans $730 million a year in hospital bills

Americans paid more than $6.6 billion over eight years to care for victims of gun violence, and U.S. taxpayers picked up at least 41% of that tab, according to a new tally of hospital bills.

Why global warming could lead to a rise of 100,000 diabetes cases a year in the U.S.

If the average temperature rises by 1 degree Celsius, the number of American adults suffering from diabetes would rise by more than 100,000 a year.

As the planet gets hotter, some mammals may get smaller

What happens to living things when the global temperature jumps? Do they go extinct? Do they adapt? Do they change? Actually, some of them shrink.

20% cut to NIH budget would leave Americans more vulnerable to cancer and other diseases, experts warn

A future in which cancers are cured, heart disease prevented and devastating brain disorders reversed may just have gotten a bit more distant.

Archosaur fossils found in Tanzania are forcing scientists to rethink the evolution of dinosaurs

Archosaur fossils from Tanzania suggests that certain features that have been presumed to be characteristic of dinosaurs actually evolved much earlier.

Toyota shows robotic leg brace to help paralyzed people walk

Toyota is introducing a wearable robotic leg brace designed to help partially paralyzed people walk.

Permafrost more vulnerable than thought: scientists

Frozen, sub-Arctic wastelands loaded with planet-heating greenhouse gases are more susceptible to global warming than previously understood, scientists warned on Monday.

Road salt runoff threatens Canadian, U.S. lakes: study

A new study suggests the use of road salt is posing a rising threat to freshwater lakes in parts of North America, including Ontario.

Six foods threatened by climate change

Climate change isn't just threatening our planet; it’s also threatening some of our favourite food and drink. So which tasty foods, and drink, might not be around for much longer? Find out on

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