Feb 13 Watch Darwin’s 200th Birthday Celebrations Span the Globe People worldwide celebrated Charles Darwin, the "father of evolution's" 200th birthday this week, honoring his extraordinary impact on science and history. Analysts discuss the man, his legacy and the ongoing debates raging over his core theories. Continue watching
Feb 13 Love Is a Chemical Reaction, Scientists Find By PBS News Hour To poets, love might be a many-splendored thing. But in neuroscientist Larry Young's lab, love is biochemistry. Continue reading
Dec 30 Watch Students, Scientists Build Biological ‘Machines’ Student participants in the 2008 International Genetically Engineered Machine Competition crafted biological "machines," or living organisms, using original combinations of DNA and other organic material to help tackle environmental and health problems. Tom Bearden reports. Continue watching
Nov 27 In China, Scientists Discover Oldest Turtle Fossil Ever Found By PBS News Hour Which came first, the land turtle or the sea turtle? Scientists aren't sure, but a newly-discovered fossil of a 220-million-year-old turtle seems to tip the scale toward aquatic evolution, and may help explain how turtles evolved their shells. Continue reading
Oct 24 Watch Obama Visits Grandmother in Hawaii as Campaign Battle Continues Across U.S. While Michelle Obama filled in for the Senator as he visited his ill grandmother in Hawaii, Governor Palin and Senator McCain took their message to the battleground states. Judy Woodruff reports on the latest news from the campaign trail. Continue watching
May 26 Watch NASA’s Phoenix Sends Intriguing Images From Mars NASA's Phoenix Mars lander touched down Sunday and began transmitting pictures from the northern arctic plains of Mars where scientists hope to find evidence of water and life-sustaining conditions. Mission co-leader Ray Arvidson explains. Continue watching
Mar 07 Strange Malady Wreaks Havoc on Bat Population By PBS News Hour New Englanders may face an uptick in mosquito swarms, insect bites and moths this summer as a strange malady has threatened the insects' top predator: bats. Continue reading
Feb 14 2 Flesh-Eating Dinosaur Species Discovered By PBS News Hour Two new and unusual dinosaur species have been discovered in Africa, scientists announced Wednesday. Continue reading
Feb 01 Scientists, Journalists Push for Science-based Election Debate By PBS News Hour With a handful of primaries behind them and Super Tuesday fast approaching, presidential candidates have stumped and debated and cheered until their throats were sore and their voices hoarse. Continue reading
Mar 29 New Study Finds Dinosaurs’ Extinction Had Little Impact on Mammal Evolution By PBS News Hour The extinction of dinosaurs over 65 million years ago did not foster a breeding ground for ancestors of modern-day mammals, as scientists had previously thought, according to a study released Thursday in the journal Nature. Continue reading