Uncategorized
- Animals
The bugs within us
Hordes of bacteria live inside people and other animals. This ‘microbiome’ can affect the development of the blood-brain barrier, food choices — even mating.
- Brain
Studying? Don’t answer that text!
Homework time? Put away the cell phone. Responding to texts gets in the way of learning and test-taking, teen researchers show.
- Plants
Picture This: The world’s biggest seed
This monster seed develops on a super-slow-growing island palm. Key to that palm’s survival are leaves that funnel fertilized water to nutrient-starved roots.
- Earth
Keeping roofs cooler to cut energy costs
Cool it! A cheap paint-on coating for roofing shingles could help reduce a home’s heating bills and might even trim urban ozone levels, a teen shows.
- Genetics
Catching ZZZs may retrieve lost memories
Forgetful? Maybe you’ve forgotten to get enough shuteye. A study in fruit flies suggests that a good sleep can boost their ability to remember things.
- Tech
Teens want to make windshield wipers obsolete
Windshield wipers often can’t keep up with the rain. High-intensity air sprays might one day take their place, according to research by two teens.
- 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.
