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Scientists may have finally found out what causes Alzheimer's -- and it might actually be those bleeding gums

Gum disease toxins enter the brain where they may cause Alzheimer's, according to new research.

Do adult humans really generate new neurons?

Science is often not about settling a debate, but about asking the right questions.

Mars-sized planetary impact may have seeded ingredients for life on Earth

New insights into how life appeared on Earth -- but also possibly on other planets.

More than half of parents try non-scientific methods to stave off the common cold

Researchers advise parents to employ strategies that are evidence-based -- otherwise, their well-intended measures might not amount to all that much.

Despite their amazing achievements, leaf-cutter ants don't coordinate work

Work hard, not smart!

The 26 richest people own more than 50% of the planet -- and the gap is widening

There's a new billionaire every other day, the report finds.

Humans mutate more slowly than believed, and it could rewrite our evolutionary history

So.... no X-men, then? Sad.

Why girls and boys have such different ADHD rates

Out of every 4 children who suffer from ADHD, 3 are boys. But in adulthood, the ratio gets very close to 1:1.

Stress might reduces fertility in women, but not in men

Couples looking to conceive might want to try some stress management first.

Eating before going to sleep might not be all that bad, researchers find

Just don't go overboard with the snacks.

Our brains are pretty awesome -- the price may be a greater tendency for disorders, though

Please hotfix, thanks!

Scientists recreate 'Freak Wave' in the lab -- and it looks like art

It looks eerly similar to Hokusai's 'Great Wave' print from the XIXth century.

Targeted cognitive training improves symptoms in patients with severe schizophrenia

"Our results suggest that chronically ill, highly disabled patients can benefit from TCT," said the authors. "That contradicts current assumptions."

Could these fossils be the much-sought "missing link"?

The fortuitous discovery of the fossils involved a motivated researcher, a dog, and a 9-year-old boy.

Scientists use nano-ink to 3D print color-changing cup

Talk about a surprising change!

If you think cats are antisocial, it's probably you, new study concludes

It's probably your fault -- of course.

We can eradicate malaria -- but we need to use new tricks

Improvise, adapt, eliminate.

The North Sea could become the UK's largest battery -- one that lasts for the whole winter

It would be green, too!

Vaccine hesitancy among the top 10 global health threats

Real doctors and healthcare professionals support vaccines to stave off potentially deadly infections.

New research shows air pollution sours our mood and makes us unhappy

The study was performed on Chinese cities -- but the air pollution problem is very much a global one.

Greenland's ice sheet is melting at an accelerated rate -- it's four times faster than in 2003

This also implies an acceleration in sea level rise.

Facebook and Twitter put your privacy at risk -- even when you don't use them

A new study casts new light on how social networks can gather information about you -- even if you don't have an account.

Paleontologists discovered a new species of ancient shark -- and it was so, so tiny

"[Its] teeth are the size of a sand grain. Without a microscope you'd just throw them away," says one of its discoverers.

Scientists find hidden blood vessels inside bone

The findings might lead to new treatments for bone inflammation and tissue injuries.

Perturbations in Saturn's rings reveal how long a day is on the gas giant

Can I have weekdays in Saturn-days and weekends in Earth-days?

Hookah smoking is becoming more popular, despite health concerns

It's alluring, interesting -- and unhealthy.

More companies are giving employees food -- but it's often unhealthy

Employers should be more aware of what food they bring to the workplace.

Happiness exercises could help those recovering from substance abuse

I'm not recovering from anything and I still need these exercises in my life.

Scientists come up with most accurate age of Saturn's rings yet

If dinosaurs had telescopes, they might have seen a lonely Saturn, without rings.

The worst of multiple sclerosis can be avoided or delayed with early treatment

The study is the first to provide evidence that currently-available treatments can delay the progress of MS.

Japan start-up planning to sell "shooting stars on demand" launched their first satellite

No word on how much one of these shows will cost just yet.

Engineers study the in-depth structure of wings to make better adhesive materials

"We believe that these structures could serve as inspiration for an interlocking one-directional adhesive or a material with directionally tailored permeability," the team said.

The magnetic North Pole has shifted, but we can't update it because of the US government shutdown

When politics try to mess with your compass.

US Navy wants to change naval warfare with unmanned robot ships

Many such drone ships would act as long-range sensors and even carry weapons.

Diet check: the whale shark is more "vegetarian" than we thought

This could be very important for saving the world's biggest fish.

The planetary diet: here's what you need to eat to save the planet

Want to stay healthy and save the world? Here's how.

Averting catastrophic climate change might be possible -- but only if we phase out fossil fuels immediately

Possible? Yes. Is it realistic? Not really. Should we try anyway? Hell yes!

Over half of the world's wild coffee faces extinction, new research finds

We're not facing a shortage of coffee right now, but scarcity is possible in the near future.

Saturn's moon Titan has rainfall and seasons

It's raining hydrocarbon on Titan.

Researchers find black hole that spins almost as fast as (we think) they can spin

Hope it won't get dizzy and stumble our way!

Traditional zebra-like tattoos protect tribes-people from insect bites

A stripe a day keeps the bug bites away!

Staying fit halves the risk of a heart attack

There is apparently no upper limit for training when it comes to the beneficial effects for the heart.

CERN draws up plans for new particle accelerator four times bigger than the LHC

Deep physics might have a new toy. Full operation expected for 2050.

China and India on track for world's largest economies by 2030. US could lose first place as soon as next year

The United States will likely never be able to catch up with China.

Want to improve kids' test scores? Help them reduce their anxiety, researchers say

It's a simple thing that can make a big difference -- especially for low-income children.

Part-time workers with flexible schedules work more unpaid overtime -- especially mothers

How do you 'not bring work home with you'.... when working from home?

China grows the first plants on the far side of the moon

The cotton sprouts, unfortunately, perished after a couple of days.

Smart windows allow or block heat-generating wavelengths of light based on temperature

Bye, bye curtains!

Researchers "trick" breast cancer cells and turn them into fat

It's an exciting new avenue for treatment.

Finland's awesome new library is so popular it's running out of books

Talk about a first world problem!