MS-LS1-5
Construct a scientific explanation based on evidence for how environmental and genetic factors influence the growth of organisms.
-
MicrobesStaph infections? The nose knows how to fight them
Bacteria living in some people’s noses make a compound that could help fight a nasty type of infection that laughs at other antibiotics.
By Eva Emerson -
Health & MedicineDiabetes seems to be climbing quickly in U.S. teens
A serious disease is showing up more often in kids. Many are unaware they are sick. Many more show signs they are at risk of developing the disease, for which there is no cure.
By Janet Raloff -
Health & MedicineEven 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.
-
EarthSomething 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.
-
ClimateClimate 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.
-
AnimalsHow 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.
-
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.
-
AnimalsCatching ‘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 & MedicineAdult 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.
By Dinsa Sachan -
AnimalsWhy 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.
-
AnimalsUh 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.
-
AnimalsCommon 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.
By Sid Perkins