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Tunnel anxiety can be reduced with design
Many people feel insecure when they drive in tunnels. However, tunnel design and lighting can reduce tunnel anxiety.
May 31, 2010
How does water stay in a lake?
Why does water stay in a lake? Lakes are subject to leakage and evaporation. So how do most lakes keep their water over many years?
May 27, 2010
Comet caught in act of diving into sun
A comet has been caught on video as it plunges into the sun and apparently disintegrates in the sun's 100,000 degree (Kelvin) heat.
May 25, 2010
Why is there a calm before a storm?
There's not always a calm before a storm. But, sometimes, pressure and wind combine to create a brief stillness before a storm breaks.
May 24, 2010
Researchers say cooking fumes contain carcinogens
Researchers have documented what has long been suspected: Cooking fumes contain both tars and high amounts of chemical compounds called aldehydes.
May 24, 2010
Tom Wilbanks on climate change
Tom Wilbanks discusses three reports confirming the strength of climate change science and recommending U.S. strategies to adapt to climate change.
May 24, 2010
Why don’t cell phone calls get mixed up?
Andrea Goldsmith told us why cell phone calls don't get mixed up ... and why they sometimes get dropped
May 24, 2010
Gretchen Daily: Economic value of conservation
Gretchen Daily says that if we can see the economic value of conserving our natural world, we will integrate nature in economic decisions.
May 24, 2010
Planet being eaten by sun-like star
The planet, WASP-12b, is similar in mass to Jupiter. It orbits its star closely - in 1.1 days - and its atmosphere is spilling over onto its star.
May 20, 2010
Mapping glaciers at Mogens Fjord and Fridtjof Glacier
The Greenland ice sheet is vast, but we are mapping glaciers, filling in another piece in the grid of understanding this remote area of the Earth.
May 18, 2010
