HS-LS2-8
Evaluate the evidence for the role of group behavior on individual and species' chances to survive and reproduce.
- Health & Medicine
With measles outbreaks in 49 countries, should you worry?
By March, the United States had more measles cases than in all of 2023. It was part of a global trend. The way to halt measles’ spread: vaccinations.
- Animals
Dancing spiders inspired this biologist to teach others
Inspired by his research in animal communication, Echeverri began exploring ways to teach others about science while finishing his Ph.D. Today, he shares his passion for spiders as a science communicator.
- Animals
Among mammals, males aren’t usually bigger than females
In a study of more than 400 mammal species, less than half have males that are heavier than females.
- Health & Medicine
A new type of immune cell may cause lifelong allergies
These special memory cells were present in people with allergies and absent in those without.
- Plants
On hot summer days, this thistle stays cool to the touch
Its yellow flowers can cool themselves substantially, staying up to 10 degrees C (18 degrees F) cooler in extreme heat.
- Animals
Tardigrades survive harsh conditions by almost dying. Here’s how
Under stress, a chemical change signals these water bears to switch between live and mostly dead.
- Plants
Rampaging vines are slowly strangling tropical forests
Called lianas,these vines are growing out of control. They may cause tropical forests to absorb less carbon dioxide — worsening climate change.
- Plants
This urban gardener is mimicking nature to create healthier plants
Urban garden specialist Kwesi Joseph is experimenting with rock dust and plants. He also helps New York City community and school gardens with gardening problems.
- Animals
Analyze This: Marsupial gliders may avoid the ground to dodge predators
It has been unclear why gliding evolved in marsupials. To search for clues, researchers strapped activity trackers to some of these cryptic creatures.
- Animals
Experiment: Are we there yet? Test how migratory birds navigate
In this experiment, use real data to figure out how migratory birds navigate from their breeding grounds to their wintering grounds.
- Plants
To spy this palm’s blooms and fruits, start digging underground
Plants across 33 families are known for subterranean flowering or fruiting. But this palm is extremely rare. It does both.
- Animals
Here’s why thousands of octopuses gather at the ‘Octopus Garden’
Underwater cameras and other instruments investigated why so many pearl octopuses gather here to mate and nest.
