MS-LS1-5
Construct a scientific explanation based on evidence for how environmental and genetic factors influence the growth of organisms.
- Health & Medicine
Even some Olympic athletes cheat with drugs
Some athletes have been using banned drugs or other methods to boost their performance. But scientists are working on new ways to catch them.
- Earth
Something in plastics may be weakening kids’ teeth
The body can confuse some pollutants for a natural hormone. Researchers in France now find such pollutant exposures in childhood may lead cells to make defective tooth enamel.
- Climate
Climate closing the gender gap for this mountain flower
Among valerian plants, males like it hotter than the females do. So a warming climate has been speeding their migration up once-cool mountainsides.
- Animals
How a moth went to the dark side
Peppered moths and some butterflies are icons of evolution. Now scientists have found a gene responsible for making them so.
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Ink leads way to terminating termites
Inspired by a classroom experiment, a teen has built a way to lure troublesome termites to their death — using the power of ink.
- Animals
Catching ‘Dory’ fish can poison entire coral reef ecosystems
More than half of saltwater-aquarium fish sold in the United States may have been caught in the wild using cyanide, new data show.
- Health & Medicine
Adult diseases may be linked to childhood weight
Danish scientists find that very overweight kids grow up with a heightened risk of colon cancer and stroke.
- Animals
Why some frogs can survive killer fungal disease
A disease is wiping out amphibian species around the globe. New research shows how some frogs develop immunity.
- Animals
Uh oh! Baby fish prefer plastic to real food
Given a choice, baby fish will eat plastic microbeads instead of real food. That plastic stunts their growth and makes them easier prey for predators.
- Animals
Common plant could help fight Zika virus
A teen discovered that extracts from leaves of the San Francisco plant (Codiaeum variegatum) kill larvae of the mosquito that helps spread the Zika and dengue fever viruses.
- Chemistry
Microbes mine treasure from waste
Like miniature factories, bioreactors house microbes recruited to chew through wastes to clean dirty water, make chemicals or generate electricity.
- Chemistry
Explainer: Some supplements may not have what it takes
Dietary supplements made from plants may not contain all of the chemicals that usually make a particular plant healthy for humans.
