Uncategorized
- Animals
Pesticides offer bees a risky allure
Honeybees and bumblebees sometimes cannot taste or avoid pesticides called neonicotinoids. And that may expose some of these important pollinators to harm.
- Brain
Scientists Say: MRI
MRI is a technique used to diagnose diseases and to study the body. The machine can map internal structures, all the way down to tiny blood vessels.
- Animals
Picture This: The real ‘early bird’
Long before dinosaurs went extinct, birds were emerging on Earth. These hummingbird-size wading birds are the earliest known ancestors of today’s birds.
- Climate
Carbon dioxide levels rise fast and high
The buildup of carbon dioxide in the atmosphere is rising faster than at any time since dinosaurs roamed the Earth. The burning of fossil fuels is largely to blame.
- Health & Medicine
Teens win big for pollution control and HIV detection
Ah-choo! The 2015 Intel ISEF competition’s top winner designed a way to curb germs on planes. Two other big winners invented ways to detect HIV early and to corral oil spills at sea.
- Animals
Return of the bed bug
Bed bugs have staged a comeback over the past 15 years. The bloodsucking parasites succeeded through a combination of evolution and luck.
- Animals
Scientists feed bed bugs (on purpose)
To study bed bugs in the lab, scientists had to first learn how to keep the blood-thirsty critters well fed. And that proved easier said than done.
- Animals
Explainer: Eek — what if you get bed bugs?
A bed bug infestation requires attention. Some treatments you can undertake yourself, but many are best left to professionals.
- Animals
4 reasons not to ignore signs of bed bugs
Here are important reasons not to ignore signs of bed bugs. Above all, an infestation carries real risks to your health and wellbeing.
- Health & Medicine
Bones: Custom cushioning helps heal a bad break
If the stiff casts encasing broken limbs included an inflatable air bladder instead of a soft lining, costly and painful complications experienced by some patients during healing might be avoided, two teens reported at the 2015 Intel ISEF competition.
- Climate
Scientists ‘see’ thunder for first time
Scientists have captured the first image of thunder. The map shows the relative strengths of the sound waves emanating from the loud clap.
- Animals
What’s the buzz? A new mosquito lure
Broadcasting a fake buzz can lure male Aedes aegypti mosquitoes away from females. That could reduce populations of these annoying — and disease-causing — insects, reports a teen at the 2015 Intel ISEF competition.
