HS-LS2-8
Evaluate the evidence for the role of group behavior on individual and species' chances to survive and reproduce.
- Genetics
Germs help each other fend off antibiotics
Drug-resistant bacteria can cause persistent infections. A new study finds these germs fight drugs in different ways. And they can swap various compounds, increasing their neighbors’ chances of overcoming the drugs meant to kill them.
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Food can make an appetizing science fair project
Many students think they need a laboratory or special equipment for a winning research project. But finalists at the Broadcom MASTERS competition showed food-based research may require little more than your home kitchen
- Animals
Fish just wanna have fun
Although biologists have observed fish playing before, scientists have now recorded hours of video showing a new type of antic in fish.
- 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.
- Animals
How termites ‘hear‘ about trouble
When danger comes too close, termites bang their heads against the walls of their homes. This action sends out a warning vibration that others ‘hear’ with their legs.
- Animals
Octopus sets egg-nurturing record
Animals will do extraordinary things to help their babies survive. Consider ‘Octomom:’ She sat on one clutch of eggs for nearly 4.5 years.
- Animals
Elephants appear to be super sniffers
Elephants are not only massive, but also possess the most odor-detecting genes of any animal known, new research shows.
- 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
Superbugs: A silent health emergency
Have antibiotics become too popular? Overusing these medicines fuels resistant germs that pose a global health threat.
- Animals
Cool Jobs: A whale of a time
Studying blue whales, spinner dolphins and other cetaceans demands clever ways to unveil the out-of-sight behaviors of these marine denizens.
- 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.
