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Chewing surprisingly burns a lot of calories and likely shaped our ancestors' faces

Even so, our mouths are much efficient at chewing than earlier ancestors, helping us absorb more calories.

Turning back time. Scientists reverse aging in human cells by 30 years

It could be a game changer in regenerative medicine.

Ants can be better than pesticides at protecting crops from pests

Want to reduce pests in your field? You'd probably do well to get some ants.

Meanwhile, cats in a German town have had their own lockdown period

Owners risked fines between $500 and $50,000.

Touchy-feely AI can help detect breast cancer with 96% accuracy in early tests, a stunning result

The key to fighting cancer is to detect it early. Now, artificial intelligence technology aims to help us do just that.

The surfaces of some asteroids are littered with rock 'popcorn', surprising research reveals

It doesn't sound very tasty, however.

Even astronauts can see it: the current drought in Europe as seen from satellite data

This drought is unprecedented in living memory, and is probably the worst such event in the last 500 years.

NASA moved the largest vehicle in the world on the launch pad

It’s due to launch in less than two weeks, marking a key moment for NASA

China cuts power to factories and homes as heatwave-induced shortage continues

Factories have been shut down and people were asked to reduce power consumption

'Fake meat' is friendlier for the environment than animal meat, but is it healthier?

Most of us can agree new meat alternatives taste great, but are they a healthier alternative to meat?

After the woolly mammoth, scientists now want to de-extinct the iconic Tasmanian Tiger

Is this a cash-burning shot in the dark or a credible conservation project? When straddling the boundary of science this distinction is not always clear.

Pampered monkeys in Bali are masturbating using stone sex toys

Researchers say the monkeys have too much free time on their hands. So they got busy.

Tired of boring blue rooftops? Scientists make colorful solar panels with minimal loss in efficiency

The solar panels are coated with a spray that gives them structural colors similar to butterfly wings.

Prehistoric people in the UK used rare crystals to mark burial sites

They were transported long distances and were considered highly valuable

This is why the risk of flooding increases after a drought

The climate crisis increases the likelihood of extreme weather, with dry soils unable to cope

It's better to exercise a bit every day than a lot once a week. Here's why frequency beats intensity when training

Even exercising for a minute can significantly increase muscle size and strength -- as long as you do it almost every day

Pig's for dinner: invasive feral hogs helped save Australia's apex predator from extinction

Silver linings sometimes are bacon-flavored.

Greenland fish survive sub-zero temperatures by being "chock-full" of antifreeze

The Arctic creatures have some stunning adaptations.

Most gifted dogs share this trait. Does yours?

Most dogs are playful, but some are more playful than others.

Scientists recreate the song of a cricket-like insect that hasn't been seen in 150 years

It's supposed to sound like its ancestors from the Jurassic.

The drought in Europe is unveiling cautionary 'Hunger Stones' -- "when you see me, weep"

Europe's rivers are running dry as one of the worst droughts in centuries hits the continent.

Climate heating is here. How do we deal with heatwaves?

Extreme heat above 90 degrees Fahrenheit (32 degrees Celsius) is a common occurrence in many parts of the world in the summer, but with climate change taking a toll, temperatures are surging way past that. Summers are getting hotter and hotter, and heatwaves are becoming the norm. Extreme heat events, especially (but not only) when […]

Japanese airline adds insects to their flight meals -- and they're here to stay

Insects are starting to make their way to our meals, and some are using them to lower their carbon footprint.

Tons of fish mysteriously died in a European river -- and we don’t know why yet

It's one of the worst environmental disasters in Europe in decades.

Paleontologists find unexpected armored dinosaur in Argentina

The plant-eating dinosaur was cute as a button!

Scientists discover new species of deep-sea water isopod -- and it’s creepier than you think

The giant crustacean was originally mistaken for a different species

The effect turning our cities into heat islands

The images are pretty, but the effects can be very ugly.

Do you know what's in your weed? Researchers propose "nutritional facts panel" for marijuana products

Do you really think Lemon Haze in Colorado is the same as Lemon Haze in Washington? Think again.

Testosterone can make males "cuddly" just as well as aggressive -- it all depends on context

These are surprising findings for a hormone so often linked to aggressive and competitive behavior.

Fossil Friday: the world's first known predator discovered in Leicestershire, UK

It might not look like much today, but in its time, this animal was the height of dangerous!

A less complex voice box could be what gives us our human speech

Evolution of the human larynx contributed to the stable voices we now use to communicate.

New satellite data shows landfills are actually methane 'super emitters'

Four major cities are releasing more methane emissions than previously thought.

Sensory stickers bring us closer to fully-wearable, fully-convenient ultrasound investigations

Such stickers will allow for round-the-clock monitoring of internal tissues anywhere, anytime.

Sea sponges 'sneeze' out their undigested food in this weird but fascinating video

Mesmerizing, if a bit gross.

The soft secret that enabled sauropod dinosaurs to support their massive bodies on land

It's been an enduring mystery, but now we have the most likely answer

How scientists plan on turning Martian and Lunar soil into space concrete

There's no cement on Mars or the Moon, which means we'll have to make it ourselves. Here's an idea how.

New synthetic molecule could finally bring immunotherapy for cancer into pill form

Besides being more convenient, the new therapy could be priced at a fraction of the current cost.

Astronomers detect far-away baby exoplanet surrounded by moon-forming disk

It's almost unbelievable we can see stuff like this hundreds of light-years away.

Here is why you feel tired after thinking hard

The brain has its own defensive mechanisms to prevent burnout -- and glutamate accumulation in the prefrontal cortex seems like one.

Drone deliveries consume 94% less energy per parcel than diesel trucks

The future sounds cloudy with a chance of drone swarms.

Forever chemicals seem to dramatically promote liver disease and liver cancer in humans

This is the first study to link PFAS and adverse health effects in humans.

Deep in the Atacama Desert, the world's most advanced telescope is being built -- and it just received $205 million in extra funding

Money makes the world go round, and it makes the telescope go up.

This is what we know so far about Langya, the new virus discovered in China

It has infected at least several dozen people and scientists are now tracking it down, but thankfully this doesn't sound like a repeat of COVID-19.

Researchers decipher mystery ingredients in ancient Chinese recipes for bronze

Metal-making practices described in a 2300-year-old text are more sophisticated than anyone realized.

Right before they hatch, baby birds have hip bones shaped exactly like a dinosaur's pelvis

Birds really are dinosaurs!

Why do hammerhead sharks have hammer-shaped heads? When a defect becomes an asset

The first hammerhead shark was likely the result of a genetic deformity. A biologist explains how shark DNA reveals hammerheads’ history.

The 2022 Perseid meteor shower guide: when and how to see it

The Perseid shower is one of the most anticipated events of the year. Here's how to see it.

Pfizer is trying to bring a Lyme disease vaccine back to market, 20 years after the last one was pulled

It would greatly help our efforts to contain Lyme disease.

Jumping spiders may sleep the same way we do, judging by their leg twitches

Human sleep is still largely a mystery. Maybe spiders can help.

New low-calorie sweetener tastes like sugar and improves gut health

Finally an artificial sweetener that may actually be good.

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