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Is it a coincidence that moon keeps one face to Earth?
The moon spins once for each of its orbits around Earth - and that's why the moon always keeps a single face turned our way.
October 19, 2009
Does every animal have eyelids?
Fish and snakes don't have eyelids. Some lizards have 2! Why we need eyelids ...
October 19, 2009
Michael Balick: ‘We’ve identified critical habitats of medicinal plants’
"If all the world's plants were studied for their medicinal value, we could increase the number of medicines available by tenfold," says Michael Balick.
October 19, 2009
Tom Tomich: ‘How are we doing on global food production?’
Tom Tomich said that agriculture isn't just about how much food we grow. It's also about people's health and livelihoods, global economics, and resources.
October 19, 2009
Berni Alder: early work lets scientists simulate nature
"There's no higher high that you can get than working in science and achieving a goal that's been waiting there for a long time," says Berni Alder.
October 19, 2009
Benito Fernandez builds robots that learn from experience
"I think a lot of people have seen too many Hollywood movies about Terminator, that they're going to take over," says Benito Fernandez , "But it's a tool that is here to stay."
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
Philip Pardey on agriculture meeting world’s future demand
Global population might reach 9 billion by 2050. "The big picture is that we're trying to match the growth in the supply of food," says Philip Pardey.
October 12, 2009
