MS-LS2-4
Construct an argument supported by empirical evidence that changes to physical or biological components of an ecosystem affect populations.
- Animals
A single chemical may draw lonely locusts into a hungry swarm
Swarms of locusts can destroy crops. Scientists have discovered a chemical that might make locusts come together in huge hungry swarms.
- Agriculture
Pesticides contaminate most food of western U.S. monarchs
Monarch caterpillars eat only milkweeds. A new study finds widespread pesticide use has tainted these plants across the insect’s western U.S. breeding grounds.
- Life
For teens, big problems may lead to meaningful research
Several teens who competed at the Regeneron Science Talent Search applied their STEM know-how to solve problems they or their communities faced.
- Animals
What you need to know about ‘murder hornets’
Two new specimens of the world’s largest hornet have just turned up in the United States. Here’s what to make of them and other alien-hornet invaders.
- Animals
Tube-dwelling sea creatures may be oldest known parasites
A fossil bed of clam-like animals from a half-billion years ago is covered in tube-dwelling organisms. These suggest the tube dwellers were parasites, scientists now report.
- Animals
Going bright may help corals recover from bleaching
When some corals bleach, they turn neon colors. Flashy hues may be part of a response that helps these corals recover and reunite with their algae.
- Health & Medicine
Deadly heat: Expected by century’s end, it’s here already
Instances of hot and humid conditions that threaten human lives are on the rise.
- Animals
Why you’re spotting more wildlife during COVID-19
People are seeing more animals than they did before the pandemic. There are many reasons why.
- Health & Medicine
Our gut microbes love a good workout
Technology shows how microbes in the body respond to exercise. That helps scientists understand why those microbes keep athletes healthy.
- Animals
Pesticides can have long-term impact on bumblebee learning
Pesticide-laced nectar and pollen can permanently harm the brains of baby bumblebees.
- Animals
Minecraft’s big bees don’t exist, but giant insects once did
Big bees buzz in Minecraft. In our world, blocky bees might starve and be stuck on the ground. Yet long ago, giant insects did roam our planet.
- Climate
Study appears to rule out volcanic burps as causing dino die-offs
New data on when massive volcanic eruptions happened do not match when the dinosaur mass extinction took place.
