Engineering Design
- Genetics
Explainer: What is epigenetics?
Epigenetics is the study of molecular “switches” that turn genes on and off. Tweak those switches and there could be big health consequences.
- Health & Medicine
‘Smart’ sutures monitor healing
Coatings added to the threads used to stitch up a wound let researchers use electrical signals to monitor a wound’s healing — even one covered by a bandage.
- Animals
Beetles offer people lessons in moisture control
Taking tricks from a beetle, researchers are designing surfaces that collect water from the air or resist frost buildup.
- Ecosystems
Will chicken cologne guard you from malaria?
Mosquitoes that carry malaria are repelled by the smell of chickens. In malaria country, that could make these birds a human’s best friend.
- Health & Medicine
Nano medicines take aim at big diseases
Nanomedicines are new treatments and tools that are taking aim at disease from the cellular level. Medicine’s next big thing could be very teeny tiny.
- Animals
Got milk? Roach milk could be a new superfood
Scientists have just figured out the recipe for cockroach milk. And that could be a first step toward making it part of the human diet. Yum!
- Animals
End of Latin America’s Zika epidemic is in sight
A computer simulation suggests the Zika epidemic in Latin America is peaking and may not strike hard again for up to three decades.
- Health & Medicine
New study raises questions about cell phone safety
U.S. government study in rats links cell-phone radiation to a small increase in brain cancers and heart tumors. Some scientists now worry about lifetime risks to today’s children and teens.
- Health & Medicine
Don’t use dinner-table spoons for liquid medicines!
Kids are safer when parents use precise tools to measure liquid medicines. Switching from teaspoons to metric tools could help, a new study finds.
- Health & Medicine
To remember something new: Exercise!
People who exercised strenuously for a half hour after learning something new cemented those memories. But the trick: Wait four hours before getting the heart pumping vigorously.
- Chemistry
E-cigs create toxic vapors from harmless e-liquids
New study finds a primary source of toxic vaping compounds. It’s the heat-driven breakdown of the liquids that hold nicotine and flavorings. And older, dirtier e-cigs make higher amounts of the toxic chemicals.
- Computing
Moral dilemma could limit appeal of driverless cars
Driverless cars will have to be programmed to decide who to save in emergencies — passengers or pedestrians. Many people aren’t yet sure they are ready to choose cars that make the most moral decision.
