Life
-
Health & MedicineHeaded to a concert this summer? Pack earplugs
Wearing earplugs at concerts and other loud events may prevent hearing loss and permanent ear damage, a new study suggests.
-
Health & MedicineExplainer: When loud becomes dangerous
Many people don’t realize that sounds — even those of the music they love — can prove harmful when they get too loud.
By Janet Raloff -
EcosystemsScientists Say: Vector
Vectors are used to transfer things. Sometimes the transferred item is a disease, but scientists can also use vectors to insert helpful genes.
-
AnimalsPollen can become bee ‘junk food’ as CO2 rises
Increasing levels of the greenhouse gas are changing diminishing the food value of pollen, bees’ only source of protein.
By Susan Milius -
MicrobesThis microbe thinks plastic is dinner
The bacterium Ideonella sakaiensis chows down on one type of polluting plastics. That means it could become helpful in cleaning up environmental waste.
-
Health & MedicineNewly discovered microbe keeps teeth healthy
A newfound bacterium halts the tooth erosion that leads to cavities. This germ or one like it might one day be added to toothpaste or mouthwash.
-
ChemistryGotcha! New test stalks diseases early
Chemists screen blood for disease markers by adapting a common DNA test. The test can find disease earlier, when it also may be easier to treat.
-
FossilsHow to tell if a T. rex is expecting
A chemical test of tyrannosaur bone can determine whether the dino was pregnant — and therefore a female.
By Meghan Rosen -
GeneticsPacific islanders got a double dose of Stone Age DNA
Unlike other people, certain Pacific Islanders inherited DNA from two ancient human ‘cousins.’
By Bruce Bower -
Health & MedicineCool jobs: Brainy ways to battle obesity
Scientists from different fields are tapping into connections between food and the brain to help people fight obesity and overcome the urge to overeat.
-
GeneticsGenes: How few needed for life?
Scientists rebuilt a microbe using its old genes. But not all of them. They used as few building-blocks as they could get away with and still have the life-form survive.
-
LifeFattier yeast live long and prosper
Scientists were hoping to build better biofuels. Instead they discovered that fatter yeast cells live longer than lean ones.