Life
- Plants
Scientists Say: Phloem
Phloem is tissue that delivers food, made in leaves during photosynthesis, to the rest of a plant.
- Animals
Bloodthirsty vampire bats prefer drinking with friends
Vampire bats were known to bond with others in their roost. Now, research suggests bonded bats often drink blood from animals together.
- Brain
Ask the experts: How to create a top-notch science fair project
Five finalists in the Broadcom MASTERS middle-school competition reveal how they created nationally competitive projects.
- Animals
Bacteria make ‘spider silk’ that’s stronger than steel
Part spider silk, the material is better than what some spiders make. Researchers think it might make the basis for surgical threads or unusually strong fabrics.
- Animals
Let’s learn about the creatures of Halloween
Check out the real-life vampires and zombies of the animal kingdom, and learn why people think ghosts and mummy curses are real.
- Animals
Cockatoos learn from each other how to open garbage bins
The bin-opening behavior is an example of social learning. It’s also the basis of a foraging culture. Learn more in this web comic.
- Animals
Scientists Say: Marsupial
These mammals are known for riding around in a pouch on their mother’s belly, where they continue developing after they’re born.
- Brain
It doesn’t take a concussion for head hits to harm young brains
Most head impacts while playing football do not cause concussions. Yet even lesser impacts take a toll in young athletes, scans of their brains show.
- Animals
Racism lurks in many plant and animal names. That’s now changing
Racist legacies linger in everyday lingo for birds, plants and other organisms. Some scientists now see the chance to change that.
- Agriculture
Potty-trained cows could help reduce pollution
About a dozen calves have been trained to pee in a stall. Toilet training cows on a large scale could cut down on pollution, scientists say.
- Tech
Will you learn better from reading on screen or on paper?
Some studies find students don’t learn as well by reading on screens as from paper. But that's not always true. Here’s how to make the most of reading in either format.
- Genetics
Explainer: What is RNA?
A partner to DNA, cells use this molecule to translate the instructions for making all of the many proteins that your body needs to function.
