We don’t really understand ecosystem tipping points — and it could be a problem

This is an important puzzle piece for our understanding of ecosystems.

Stone-age peoples in the Iberian Peninsula shared graves with dogs

Man’s best friend, indeed.

Daily household tasks like cooking and cleaning are a hidden source of air pollution, researchers say

One-day household pollution may be given as much attention as transportation emissions.

Australia says ‘bye bye’ to rubella. Cervical cancer is next

Vaccines work, definitely!

Just a few drinks can change the way memories form, eventually leading to cravings

Alcohol has very subtle effects on the brain which we’re only beginning to recognize.

Estrogen may cause sex differences in methamphetamine addiction

Treatment for the highly addictive substance might have to be approached differently if you’re male or female.

Two or more diet sodas a day may increase risk of stroke

More and more evidence suggests that zero-calorie drinks may be just as bad as sugary ones.

Yet another study finds that violent video games don’t make teens more aggressive

This won’t end the debate anytime soon, though.

New drug reverses memory loss related to depression and aging

The implications could also be huge for people with Alzheimer’s.

Neanderthal footprints discovered in Gibraltar

If the footprint is confirmed to be Neanderthal, it would only be the second one in the world, the other being Vartop Cave in Romania.

Orangutans don’t use tools instinctively — they actually think about what they’re doing

Give an orangutan a banana and you’ll feed him for a day. Give him a stick and he’ll poke bananas for a lifetime.

Unexpected notes make music more enjoyable

Surprise is the spice of life.

New device makes it easy to see when water has too much fluoride

This could be very important for developing countries.

These tributes to the Opportunity rover will break your heart

Goodnight, sweet prince…

NASA bids farewell to 15-year-old rover on Mars

Adio, Opportunity! You’ll be forever in our hearts <3.

An empty home tax could be more effective than building new homes, new study concludes

Who’s against having an empty home tax?

How deer are shaping the sounds of the forest

Deer are affecting forests in more than one way, researchers found.

Giant African Titanosaur had a heart-shaped tail

The perfect Valentine’s dinosaur — a massive Titanosaur!

Small teams are better at producing new ideas, new study finds

However, small teams are typically underfunded, researchers find.

New design hotfix could make artificial leaves better than actual leaves

I can hardly beleaf it!