Marine scientist Rich Aronson says that our warming climate will allow king crabs to invade shallow Antarctic waters, where they'll eat vast numbers of soft-shelled creatures. "The world will be a less rich place as this happens," he said.
Nanotech has the potential to help us produce more energy, says Shell scientist Sergio Kapusta. Hear Kapusta talk about the applications of nanotechnology to renewable energy.
Daily audience of science enthusiasts grows from 12 million to 13 million in the final months of 2008. Read more about EarthSky, the podcast for everyone.
Biofuels could be a significant contributor to reducing future carbon dioxide emissions, says biochemist Mike Goosey of Shell's Thornton Research and Technology Center in the UK.
In the center of every plant cell, from algae to orchids - and in the center of every animal cell, from jellyfish to you and me - there's a copy of the organism's DNA.