Animals
Mosquitoes may learn to like DEET, a common insect repellent
In lab tests, mosquitoes exposed to DEET while feeding learned to associate the chemical with food.
MS-LS2-1
Analyze and interpret data to provide evidence for the effects of resource availability on organisms and populations of organisms in an ecosystem.
More Stories in MS-LS2-1
- Plants
Scientists Say: Superbloom
These massive wildflower blooms create colorful carpets over desert landscapes during unusually rainy years.
- Animals
Emperor penguins are on the march — toward extinction
Along with Antarctic fur seals, these iconic birds, the largest of all penguins, are now endangered by their continent’s warming.
- Ecosystems
Let’s learn about wetlands
Just how wet these lands are varies a lot — from seasonally soaked to permanently flooded.
- Life
After the dino-killer asteroid, life bounced back quickly
New ocean dwellers arrived millennia — maybe decades — after the Chicxulub impact. That forces a rethink of evolution's response to wipeout events.
- Animals
Polar bears leave thousands of tons of food scraps for other species
The new finding quantifies how much of polar bears' food goes uneaten. As these bears decline, Arctic scavengers risk losing a critical food source.
- Animals
Ants are better team players than people [COMIC]
For ants, teamwork makes the dream work. For humans, teamwork can be a trip-up.
- Animals
A shark encounter inspired this researcher’s career in marine biology
Heidy Martinez never wanted to study sharks as a kid. That changed after encountering a white shark in South Africa.
- Humans
These Korean women spend more time underwater than any other humans
At an average age of 70, these divers in South Korea still forage in the sea for up to 10 hours a day. They spend more than half of that time underwater.
- Environment
Scientists Say: Steppe
Expansive, windswept grasslands offer ample grazing for roaming herd animals and more.
