From Molecules to Organisms: Structures and Processes
- Earth
Keeping space missions from infecting Earth and other worlds
Scientists are always looking for ways to stop Earthly microbes from polluting other planets. The same goes for bringing bits of other planets back to Earth.
- Brain
Scientists Say: Synapse
When brain cells need to pass messages, they do it without touching, across a space called a synapse.
- Animals
Frog’s gift of grab comes from saliva and squishy tissue
What puts the grip in a frog’s high-speed strike? Quick-change saliva and a super-soft tongue, scientists find.
- Agriculture
Teen converts water pollutant into a plant fertilizer
Too much phosphate can fuel algal growth, which can rob oxygen from the water. This can suffocate fish and other wildlife. Stefan Wan found a way to collect that pollutant, which can later be used as a farm nutrient.
- Life
Scientists Say: ATP
This chemical is a bit like a rechargeable battery. Cells build and break apart its chemical bonds to store and release energy.
- Health & Medicine
Hibernation: Secrets of the big sleep
Mammals from bears to squirrels hibernate the winter away. Learning how they do it might one day help people mimic aspects of it to heal from brain injuries or voyage to Mars.
- Animals
Explainer: How brief can hibernation be?
Many animals frequently slow body functions and drop their temperatures — sometimes for just a day. Is that hibernation, or just torpor? Are the two even related? Scientists disagree.
- Animals
Wild hamsters raised on corn eat their young alive
European hamsters raised in the lab turn into crazy cannibals when fed a diet rich in corn, new data show. The problem may trace to a shortage of a key vitamin.
- Animals
Cool Jobs: Abuzz for bees
These scientists are keeping bees healthy, making medicines for people from honey and constructing bee-inspired robots.
- Health & Medicine
Speaking Mandarin may offer kids a musical edge
Scientists have linked a type of musical ability with the knowledge of Mandarin, the primary language of China.
- Tech
Wired and weird: Meet the cyborg plants
By mixing electronics with greenery, engineers have made plants that conduct electricity, detect bombs and send email.
- Genetics
How to view tiny parts of DNA? Make them ‘blink’
A new technique can image nanoscale structures in cells without hurting them. No dyes needed. All you have to do is stimulate them with the right color of light.
