HS-LS2-8
Evaluate the evidence for the role of group behavior on individual and species' chances to survive and reproduce.
- Animals
Orca snot leads to a whale of a science-fair project
DNA found in the mucus of orcas suggests that even though the traits of family pods may differ, these marine mammals all appear to belong to a single species.
- Health & Medicine
How many ants is the best number of ants? More than one, fewer than 100
How many ants does it take to make the best decision? This teen found that four to six is just right.
- Animals
Chemicals from the world’s longest animal can kill cockroaches
The stuff in this sea worm’s slime can kill off green crabs, too.
- Animals
Ocean heat waves are on the rise — and killing coral
Ocean heat waves are becoming hotter and more frequent. And one can be blamed for the 2016 coral deaths on the Great Barrier Reef.
- Animals
In a colony, king penguins act like a liquid
Is this a living liquid? King penguins move around within their colonies, clearing out some space, and then refilling it. That behavior resembles a liquid, scientists conclude.
- Animals
Fighting ‘like an animal’ may not be what you expect
Evolution has produced a broad range of conflict styles. And some of the best examples come from outside the world of the familiar.
- Chemistry
Light could make some hospital surfaces deadly to germs
A new surfacing material can disinfect itself. Room lighting turns on this germ-killing property, which could make the material attractive to hospitals.
- Animals
Analyze This: Electric eels’ zaps are more powerful than a TASER
Shocking! A biologist reached his hand into a fish tank and let an electric eel zap him. It let him measure precisely how strong a current it could unleash to defend itself.
- Health & Medicine
Analyze This: Flu vaccine’s protection varies
Getting a flu shot every year is an important way to protect yourself and those around you — even if the vaccine isn’t 100 percent effective.
- Physics
Disabilities don’t stop these experts in science and tech
People with disabilities are as varied as the careers some of them pursue in science, technology, engineering and math.
- Genetics
Explainer: How CRISPR works
Scientists are using a tool called CRISPR to edit DNA in all types of cells.
- Animals
Listening to fish love songs can predict their numbers
Gulf corvinas croak for mates while in groups of millions. By listening to their undersea serenades, scientists may be able to estimate how many are out there.
