Next up is living car-free, avoiding airplane travel, and turning vegetarian.

Neither male nor female, this voice assistant sounds completely neutral.

Men who smoke around pregnant women can cause congenital heart defects in their offspring. 

The gap between humans and AI is getting narrower by the day.

The highly infectious disease kills millions of people each year, and that's just a shame for a curable disease.

Getting poor sleep doesn't replenish us properly. Consequently, we don't have enough mental resources to stay focused on our goals.

A unique find that sheds new light on the reproductive abilities of ancient birds.

The concept is audacious -- but it might be just crazy enough to work.

The risk of early death linked with drinking sugary drinks was more pronounced among women.

Human sperm has evolved a reinforced coating on its outer tail which enables it to penetrate thick fluid.

Humans have a 'sixth sense' after all.

The brain organoid was connected to a tiny spinal cord with surrounding muscle tissue.

More and more people are blasting loud music in their headphones to cancel out noise pollution -- and that's turning...

This mystery is still far from being solved, though.

Add herpes and other viruses to the long list of health problems associated with space flight.

NASA just released an amazing 360-degree panorama from the final resting place of the Opportunity rover.

Softer food gave humans an overbite that made it easier to produce "v" and "f" sounds.

Waterfall formation could be far more complex than scientists previously thought.

We're all humans, and that might mean that we're all conformists to a degree.

Sometimes, the character can take over the brain.

And it might be 'negative' mass to boot!

A new polymer incorporated into Li-ion batteries could dramatically improve their performance.

It's less vibrantly colored than tropical reefs but it is still stunning (and fragile).

Meet the incredible lyrebird from Australia. And you thought parrots were cool....

You can intentionally forget memories but it does take some work.

More and more states are benefitting from solar and wind.

True laughter between the friends is unmistakable even for a five-month-old.

CUTE AGGRESSION!

This means a couple of extra seconds which could make all the difference in a life or death situation.

A quick, non-invasive imaging of the back of the eye could spot Alzheimer's disease before the onset of severe symptoms.

Spatial memory improved in mice after a special three-month diet.

The best advice is to listen to your body.

Sleep might mitigate the damage done to DNA during wakeful hours.

It might also cause some harmful side effects such as brain cell death (at least in rats).

Bedtime protein shakes seem to be leading to better gains than daytime intake.

Vehicle tailpipe emissions were responsible for 385,000 premature deaths worldwide in 2015.

Gaining a couple extra pounds is still less harmful than smoking itself for people with diabetes.

Balloons might be fun at parties but they become deadly serious once they reach the ocean.

People tend to over-estimate their spouse's intelligence (as well as their own).

Iron oxide may be coloring some icebergs green, which would make them important nutrient carriers for marine life.

But ultimately humans are often the ones who introduce alien species to new ecosystems.

Biopesticides could protect crops against diseases without the typical downsides of synthetic chemicals.

Nobody likes keeping track of the food they ate but it doesn't a lot of time at all and the...

Fast food servings have gotten significantly bigger since 1986, which may partly explain the rise in obesity in the United...

The new material also conducts electricity making it ideal for stretchable electronics and soft robotics.

As if overfishing wasn't enough, fisheries are plummeting because of the effects of higher water temperature as a result of...

That moment when science fiction meets reality.

Far from being slow, giant ground sloths were highly adaptable creatures. The new findings suggest that humans must have had...

The Atacama Desert is the most Mars-like environment on Earth.

The planet's surface has seen an increase in leaf area of plants and trees equivalent to that covered by all...