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Why do humans have such big brains?

The results of a new study are quite surprising.

Climate change is making urban animals smaller, new study finds

Climate change has dangerous and often unforeseeable consequences.

Never skip leg day: study finds hind leg inactivity causes neurological problems in mice

Physical exercise is critical to brain health.

Help win the war (for our planet) by planting a Climate Victory Garden

Fighting climate change is as easy as growing some food!

Don't drag your feet with renewables: earlier switch saves money in the long run

Last one at the finish pays the bill!

Black lung disease makes resurgence among US coal miners

Coal workers' pneumoconiosis (CWP), commonly called black lung disease, is caused by long exposure to coal dust and can have devastating consequences.

How coyotes conquered North America -- and are still expanding fast

The canines are expanding so much they might even become a South American species.

Most common type of childhood leukemia is partly due to lack of exposure to microbes during infancy

After a century-long debate, doctors think they finally know what's causing ALL.

An egg a day keeps the doctor away -- but only in a healthy diet

Eggs are good for you, just don't eat too many.

The most remote tribe in the world -- untouched and uncontacted

The amazing history of a tribe forgotten by time.

Terrestrial temperatures in the Pliocene were 2-3°C warmer than now

It can be used as a model for future climate change.

Bioengineered gel heals the brains of stroke-injured mice, paves way for human treatment

Think they'll call it Stroke-b-gone?

New evidence backs up existence of mysterious 'Planet Nine' in the outer solar system

An elusive planet ten times more massive than Earth may be lurking in the outer fringes of the solar system.

Quitting smoking is very good for you. Cutting back, not so much

Even a single cigarette can be very bad for you.

Australian wrens recognize friends from other species and work together with them

It's the first time we've seen inter-species cooperation in birds.

Humanity is just 0.01% of all life but we wiped out 83% of all wild mammals

A new study reveals the staggering disproportionate impact that humanity has on wildlife.

China launches satellite, prepares for unprecedented landing on Dark Side of the Moon

"Come to the dark side" the Moon, presumably, told China. China decided to go.

Just two days of night-shift alter the activity of more than 100 blood proteins

Night workers beware.

The Science of Netflix's Lost in Space

Science geeks and sci-fi freaks have enjoyed and will continue to enjoy it.

European Union sues six of its countries over air pollution

These are steps in the right direction.

Mediterranean diet may reduce negative effects of air pollution

Want to help your body fight pollution? Cut down on the meat and dairy, eat some more fruits and veggies!

Saturn's tiny moons? It's all ravioli and collisions

A story of "crash boom bang" around Saturn, with a pasta topping.

Three confirmed, six suspected deaths from emerging Nipah virus in India

The WHO has previously placed this virus on its watchlist of pathogens with high "epidemic potential" and no known treatment.

Astronomers find the first permanent "immigrant" in our solar system

I don't think any wall can keep this guy out.

This April was Earth's 400th consecutive warmer-than-average month

A bad record to set.

Want to keep a young heart? Try exercising 4-5 times a week

If you want to maintain a healthy and young body, you'd best start working.

Nope, octopuses probably didn't come from outer space

It's an interesting idea, but it's probably not true. Calm down.

Pressure in protons' cores is over ten times greater that that in neutron stars

More pressure than you during finals.

Hubble completes the most complete ultraviolet-light survey of nearby galaxies -- and the photos are mind blowing

Talk about some mind-blowing images!

Astronomers discover the fastest-growing black hole we've ever known

It's the hungriest thing we've ever seen.

Thinking outside the ‘Box’: New Invention turns urine compound into nitrogen and hydrogen gas

It's certainly an idea worth considering.

The Economics of Fracking: Is Fracking Worth the Health and Environmental Risks?

Hydraulic is certainly a polarizing issue. It's got some economic benefits, and causes a lot of environmental damage. Is it worth it?

Limiting global warming to 1.5 degree C would save most global species, new study concludes

... but if we keep on with the "business as usual" approach, things will be much worse.

Mosquito saliva can affect your immune system up to a weeks

Guess what: one more reason to hate mosquitoes.

Learning music or a foreign language can help your brain be more efficient

If you want to train your brain, consider starting with music or a foreign language.

Australian magpies can understand what other birds are 'saying' with surprising clarity

Magpies? Check. Throwing orange balls at magpies? Check. Grated cheese? Check. I love this study.

Human activity is messing with global freshwater movement

The message is clear: We need to act now!

Atmospheric readings show someone is producing illegal, ozone-depleting industrial gases

Please stop.

Major depression in men makes couples less likely to conceive

Depression can make both men and women infertile.

Healthy diet may prevent brain shrinkage in older adults

Eating a balanced diet of fruits and veggies staves of brain aging and cognitive decline.

Lizards with lime-green blood might lead to cure for malaria and other diseases

Their blood is green due to a pigment that is toxic to humans.

Bitcoin to consume 0.5% of the world's electricity -- as much as Ireland

Bitcoin may have made some people rich, but it also consumed a lot of energy and produced a lot of emissions in the process.

"Made in China" label allows archaeologists to trace down ancient ship

An unfortunate centuries-old riddle was solved thanks to an unusual clue: a label.

New, powerful laser system proposed for the International Space Station's defense

The station is in serious peril from all the junk we've left in orbit.

Plastics are ubiquitous in the deep ocean -- even in the Mariana Trench

Plastic is everywhere -- literally.

Puppies reach peak-cuteness around 8 to 10 weeks specifically to make us love them

If this is emotional blackmail. I'm not even mad.

An energy-dense diet changes the brain -- makes rats hungrier and more prone to obesity

High-calorie foods not only cause obesity, they change the brain.

NASA wants to send a tiny helicopter along with the next 2020 rover mission

It will allow scientists to explore Mars like they could only imagine until now.

Overeager immune system cells may be to blame for multiple sclerosis

Fortunately, they're hot on the heels of the mechanisms that allow them to affect brain cells.

Methicillin-resistant Staphylococcus aureus (MRSA) uses our body's fats to ward off treatment

Sneaky little bacteria!