MS-LS2-2
Construct an explanation that predicts patterns of interactions among organisms across multiple ecosystems.
- Health & Medicine
Explainer: What is Ebola?
A virus is behind the hemorrhage-inducing infection called Ebola. It causes fevers and often intense bleeding — seemingly from anywhere and everywhere.
- Animals
Germs explain some animal behaviors
The bacteria that people and other animals host in and on their bodies are invisible to the eye. Yet they can play a very visible role in behavior. It’s something scientists are just coming to appreciate.
- Environment
Bug-killer linked to decline in birds
One of the most popular chemicals used to protect crops from bugs may also take a toll on birds, a Dutch study finds. U.S. farmers also rely on these insecticides, a second study finds.
- Animals
Bugs may have made us brainy
Finding and eating bugs when other food was scarce helped primates — including our ancestors — evolve bigger and better brains. At least that’s the conclusion of a new study in Costa Rica.
- Microbes
The war on superbugs
Doctors and scientists are exploring ways to stem the growing global crisis of antibacterial resistance.
- Microbes
Explainer: What you can do to fight antibiotic resistance
Doctors and scientists are not the only people who can help preserve the effectiveness of life-saving antibiotics. Even patients have a role to play, as these tips show.
- Microbes
Superbugs: A silent health emergency
Have antibiotics become too popular? Overusing these medicines fuels resistant germs that pose a global health threat.
- Animals
Stalking squirrels for science
A scientist noticed the squirrels in his family’s town, and began studying them. His results show why squirrels are such good city dwellers, and prove that science is right outside your door.
- Animals
A library of tweets (and howls and grunts)
The Macaulay Library houses a world of animal sounds. And now anyone with an Internet connection can check out this audio collection.
- Microbes
Convincing bacteria they’re alone
Caffeine may be the trick to confusing some bacteria into thinking they’ve not yet summoned enough troops to launch a successful attack on their host. It could prove an alternative to antibiotics for certain infections.
- Animals
Mite-y discoveries!
Two teens from Russia discovered tiny mites living inside grass-like plants called rushes. Three of the species they turned up are new to science.
- Health & Medicine
Beautiful nails may harbor germs
Two students wondered why they weren’t allowed to wear fake nails as nursing assistants. They decided to use science to probe why. What they found sent them to the Intel International Science and Engineering Fair.
