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What is wind chill?
If you any warm object and expose it to cold air, that object will lose heat to the air. Wind chill refers to greater heat loss due to the motion of the air.
October 29, 2009
Lorraine Remer tracks dust from outer space
"Dust is something that travels very far, from one continent to the next across the oceans. The vantage point of space gives you a perspective that you can't see from the ground," says Lorraine Remer.
October 26, 2009
James Hughes: ‘NJ conservation linked to critical issues’
Economist James Hughes talks about a New Jersey ballot measure that would would offer $400 million in bonds to support land and historic preservation efforts in New Jersey. Dr. Hughes explains why land conservation is profitable for states, and becoming more so.
October 26, 2009
Peter Moyle says fresh water stresses causing global fish decline
"We have pollution, we have massive changes to the rivers caused by dams, we alter our lakes and rivers to accommodate cities and farms," says Peter Moyle.
October 26, 2009
Orangutan whistle may provide clues to human speech
Serge Wich, a scientist at the Great Ape Trust of Iowa, thinks orangutan whistling could provide clues about the evolution of human speech.
October 26, 2009
Does every animal have eyelids?
Fish and snakes don't have eyelids. Some lizards have 2! Why we need eyelids ...
October 19, 2009
Jim Szykman studies air quality using satellites
Within the U.S., the most pervasive problems with regards to air quality are in the area of ozone and particle pollution, says Jim Szykman.
October 19, 2009
Could penguins and polar bears swap habitats?
Earth's Arctic and the Antarctic are very different kinds of places - but if these polar animals switched habitats, penguins might struggle, and polar bears might thrive.
October 19, 2009
What’s so special about water?
Water is unusual in that it can occur naturally in three distinct forms - gas, liquid and solid - at the same time.
October 18, 2009
David Maidment is helping experts access water information
"Our water supply systems are dependent on how much water resources we've got, we don't know what the condition of our water system is," says David Maidment.
October 12, 2009
