HS-LS2-8
Evaluate the evidence for the role of group behavior on individual and species' chances to survive and reproduce.
- Animals
Beware the tap of the narwhal’s tusk
A new video shows narwhals using their tusks to tap fish before eating them. They might be stunning their prey — or just playing with their food.
- Ecosystems
Camera catches new fish species — as it’s eaten!
A video of a lionfish eating a new-found species of fish raises concerns about the threat lionfish pose to undiscovered species in deep reefs.
- Chemistry
World’s deepest zoo harbors clues to extraterrestrial life
Scientists have found a wide range of life deep below Earth’s surface. The discoveries could help inform our search for life on other planets.
- Animals
Analyze This: A massive annual insect migration
A study of seasonal insect migration gave some surprising results.
- Animals
Scientists Say: Extremophile
Some species can survive high heat, freezing cold or other extreme environments. Scientists call these organisms extremophiles.
- Animals
Underwater robot vacuums up lionfish
Lionfish damage coral reefs in the Atlantic Ocean. A new underwater robot hunts, stuns and captures the bullies with help from a human operator.
- Animals
Toss and slap — how dolphins disarm a dangerous meal
Octopus can be a deadly meal, especially if you don’t have hands to cut it up. But dolphins in Australia have figured out how to eat octopus without choking to death.
- Agriculture
Sheep poop may spread poisonous weed
Fireweed is a poisonous plant in Australia. Sheep can eat it without hurting themselves. But a teen found those sheep may be spreading more weeds.
- Animals
Industrious badger caught burying an entire cow
Badgers are known to bury small animals. That allows them to save a meal for future dining. Now researchers have caught them caching something much bigger: young cows.
- Animals
Among mice, scratching is catching — as in contagious
Contagious itching spreads by sight, mouse-to-mouse. Scientists have now identified brain structures behind this phenomenon.
- Psychology
Cool Jobs: Doing real science in virtual worlds
Virtual reality isn’t just for gamers. Scientists are using VR technology to tackle real-world problems.
- Ecosystems
Cities drive animals and plants to evolve
Biologists are finding that some species have used genetic changes to evolve — adapt — to the pollution and other stressors that they encounter in cities.
