From Molecules to Organisms: Structures and Processes
- Brain
Kids use more of the brain than adults do to process language
The brain continues to grow and mature throughout childhood. One big change occurs in which parts of the brain turn on as someone processes language.
- Health & Medicine
New Pfizer vaccine appears 90 percent effective against COVID-19
Preliminary finds show one of the new coronavirus vaccines appears 90 percent effective at reducing symptomatic COVID-19 infections.
- Animals
Attack of the inner-cannibal mega-shark
The outsized megalodon was a fierce terror that chewed its way across the oceans. It learned to kill even before it was born.
- Animals
Jumping ‘snake worms’ are invading U.S. forests
These bad-news invaders are spreading across the United States. As they turn forest debris into bare ground, soils and ecosystems are changing.
- Brain
Scientists Say: Nucleus
Nucleus comes from the Latin term “nuc,” meaning nut or kernel. In science there are lots of nuclei. Every one of them is the center of something.
- Animals
When physicians and veterinarians team up, all species benefit
When doctors for people and those for animals share their expertise, they can discover new ways to take better medical care of all species.
- Brain
Many student athletes face risk of concussions that heal slowly
High school girls and those with a history of concussions appear to take longest to recover.
- Agriculture
Learning what stresses queen bees could save their hives
Beehives often die off after the queen gets too stressed to make enough babies. New tests could identify what stressed her — and point to solutions.
- Animals
Here’s what bats ‘see’ when they explore the world with sound
High-speed cameras, fancy microphones and slick software are helping scientists get the best look yet at what bats perceive through echolocation.
- Physics
Here’s how giant pumpkins get so big
Cinderella took a ride in a pumpkin coach. Though real pumpkins do get big enough, here’s why their ride would be uncomfortable at best.
- Chemistry
Explainer: How photosynthesis works
Plants can take in light, water and carbon dioxide, and send out sugar and oxygen. Here’s how it works.
- Animals
One hummingbird survives cold nights by nearly freezing stiff
To survive a freezing night, hummingbirds in the Andes mountains go very still, slow their heart rate and let their body temperature plummet.
