From Molecules to Organisms: Structures and Processes
- Brain
Mice show us why food poisoning is so hard to forget
Working with mice, scientists have mapped a brain pathway that links an unfamiliar flavor with later food poisoning symptoms.
- Animals
Captive-breeding axolotls may help avoid their extinction
The axolotl program's success shows promise in helping protect this highly popular amphibian — currently found in only one lake — from dying out in the wild.
- Animals
Teens work to keep giant water bugs on the menu
Many culinary cultures around the world prize these nutritious and flavorful insects. New approaches may help giant water bug farming efforts.
- Tech
This squirrel-like robot has some serious hops
Salto the jumping robot has a claw-like gripper. Like a squirrel, it can adjust its movement to help it stay balanced to stick a landing on "branches."
- Chemistry
Scientists Say: Chiral
Many biological molecules come in a left- and right-handed form — and biology plays favorites.
- Animals
Tick, tick, tick. In a first, a shark is heard making noise
The undersea world can host a symphony of fish grunts, hums and growls. Now add tooth-clacking sharks to the score.
- Health & Medicine
Two cities stopped water fluoridation. Kids’ teeth suffered
As calls to end fluoride in water get louder, worsening dental health in children of Calgary, Canada, and Juneau, Alaska, offer a cautionary tale.
- Brain
Brain cells that make you feel full also make you crave dessert
If you want a sweet treat when you feel full after a big meal, blame your brain. Tests in mice and people suggest that the same cells signal satiety and a hunger for sugar.
- Animals
Sheep, llamas and goats fall for optical illusions too
These findings could help reveal when and why falling for optical illusions evolved in animals.
- Health & Medicine
Let’s learn about vaccines
These medical treatments have saved millions of lives and spared many others from seriously unpleasant infections.
- Brain
Parakeets talk using brain areas similar to ours
Brain activity during vocalizing in small parrots — called budgerigars or parakeets — shows a similar pattern to what’s seen in people.
- Health & Medicine
Nearsighted? Teens’ benefits from special contacts can be lasting
Multifocal contact lenses stop the progression of myopia — and the benefits can last even after use of these special lenses ends.
