Algae blooms in lakes and oceans generate pollution that harms people, pets, and the planet.
A lake full of algae will wreck more than your summer swimming plans
Do you make the cut? Four of history's trickiest entrance exams.
Psychologists are still arguing about the best methods to spot intelligence.
Scientists finally confirm that Uranus is surrounded by fart clouds
But the cold would kill you before the smell did.
Last week in tech: A robot ate my iPhone
Apple's new recycling bot, Nike's new 3D-printed shoe, and Chrome finally shuts up auto-play videos.
Proving precognition, programming a screenwriter, and other tales from the field
Scientists share their favorite stories.
New poop sample analysis reveals interspecies monkey romance
The hybrid kids are alright.
It's rude to ask a galaxy's age. Luckily, its shape offers a clue.
Younger galaxies appear flatter than their more well-rounded elders
You’d have to give birth to a 30-pound baby to truly know how a kiwi bird feels
If it looks like a fruit and acts like a mammal, what is it?
How to log into your computer with your fingerprint or face
Upgrade to biometric security.
In photos: a rare glimpse inside the heart of a quantum computer
Inside the lab where computing makes a quantum leap.
Is Masdar City a ghost town or a green lab?
Tour Abu Dhabi’s ambitious, and incomplete, eco-utopia.
The world’s best freedivers seem to have evolved super-sized spleens
If you want to be a successful freediver, work out your spleen.
While you're staring at your new phone, scientists are finding ways to recycle your old one
Used cellphones are a huge source of electronic waste.
Crowdfunding helps women succeed in tech because venture capital won't
On Kickstarter and Indiegogo, women outperform men.
Scientists just discovered a strange new DNA shape lurking in human cells
But what does it do?
How to safely dispose of your old medications
A handy guide to help you, yes YOU, combat the opioid epidemic.
Generation robot: From science fiction to reality
A look at the companies bringing humans and robots together.
A sting-free guide to becoming a DIY beekeeper
BEES!?!
New York should ban plastic bags—and so should the rest of the country
New York’s governor has been drifting through the wind; wants to start again.
We have too many jellyfish, so scientists want to cover them in chocolate
From face cream to fertilizers, all sorts of products are under development to make use of soaring jellyfish populations.