HS-LS2-8
Evaluate the evidence for the role of group behavior on individual and species' chances to survive and reproduce.
- Fossils
Armored dinos may have used tail clubs to bash each other
Broken spikes on a fossil dino’s sides are consistent with the armored beast having received a mighty blow from another ankylosaur’s tail club.
- Animals
Tiny bumps on polar bear paws help them get traction on snow
Super-small structures on the Arctic animals’ paws might offer extra friction that keeps them from slipping on snow, a new study concludes.
- Environment
Microplastic pollution aids viruses and prolongs their infectivity
The tiny plastic bits give these germs safe havens. That protection seems to increase as the plastic ages and breaks into ever smaller pieces.
- Health & Medicine
An asthma treatment may also help tame cat allergies
Adding a therapy used to treat asthma improved cat allergy symptoms for more than a year, a small study found.
- Animals
Splatoon characters’ ink ammo was inspired by real octopuses and squid
In Nintendo’s Splatoon game series, Inklings and Octolings duke it out with weapons that fire ink. How does this ink compare with that of real octopuses and squid?
- Environment
This chemist uses online videos to teach about the perils of microplastics
Imari Walker says her journey as a scientist and science communicator lets her talk about and advocate for her passion.
- Environment
Bacterial ‘living wires’ could help protect the seas and climate
Long, thin bacteria that conduct electricity may be able to help clean up oil spills and reduce emissions of methane, a powerful greenhouse gas.
- Humans
Eight billion people now live on Earth — a new record
The global population hit this milestone on November 15, according to an estimate from the United Nations.
- Health & Medicine
Should we use a genetic weapon against mosquitoes carrying malaria?
One gene drive to eliminate malaria seems to work in the lab. Now it’s time to ask local people if they want it released in the wild.
- Animals
If mosquitoes vanished, would we miss them? Vampire spiders might
Vampire spiders get their meals from blood-filled Anopheles mosquitoes. But if those insects disappear, the spiders will likely adapt.
- Animals
Some seabirds survive typhoons by flying into them
Some birds take massive detours to avoid cyclones. But shearwaters caught between land and the storm’s eye sometimes fly toward the storm’s center.
- Animals
Some spikes in malaria cases may be tied to amphibian die-offs
Amphibian deaths from a fungal disease may have led to more mosquitoes — and an increase in malaria cases in Costa Rica and Panama.
