News
- Tech
The flap on dragonfly flight
New experiments have revealed an aerodynamic trick that dragonflies use to fly efficiently — a trick that engineers could exploit to improve the energy efficiency of small aerial vehicles with a similar design.
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- Health & Medicine
Sharing valuable real estate
Human brains rewire when people lose a sense, but a new study of people who have regained vision shows that the rewired areas retain their old abilities.
- Plants
One gene, many shapes
A single genetic change may lead to the notable diversity of leaves seen in Galapagos Island tomato plants.
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- Health & Medicine
Drugs: Still bad for you
Heavy cannabis smokers have increased blood levels of a protein linked to heart disease.
- Health & Medicine
Testing nanoparticles
Testing the toxicity of dozens of nanoparticles en masse may offer a faster track to medical applications.
- Health & Medicine
Pollution and blood clots
Inhaling tiny pollution particles, even at concentrations allowed in urban air, appears to increase the risk that an individual’s veins will develop potentially lethal blood clots.
- Life
It’s the network, stupid
The complexity of humans may lie not in genes but in the web of interactions among the proteins they make.
- Earth
Emissions head north
When it comes to Arctic air, various regions of the Northern Hemisphere are equal opportunity polluters. Even some subtropical countries in southern Asia get into the act.
- Humans
Future scientists
More than 1,500 high school students will gather in Atlanta to flex their mental muscles at the 2008 Intel International Science and Engineering Fair.
- Humans
The undeciders
A country’s development seems tied to the size of its executive cabinet, and a mathematical model helps explain why.
