In 1988, Dr. James Hansen, director of the NASA Goddard Institute for Space Studies, brought national attention to global warming when he said in Congressional testimony: “The greenhouse effect has been detected and is changing our climate now.” Watch an interview with Dr. Hansen:
NOVA ScienceNow producer Julia Cort talks to MIT geologist Sam Bowring about a mass extinction at the end of the Permian period and discusses whether it could happen again. Listen now…
On this day in 1883, the last quagga died in captivity at the Artis Magistra zoo in Amsterdam. Read more about attempts to re-engineer/re-create this creature genetically, from the …
This fall, more than 14 years after scientists first broke ground on construction, the multi-billion dollar Large Hadron Collider is expected to send its first beams of protons charging toward one another at near light speeds and then smashing head-on in carefully orchestrated collisions. Read more…
Aging: the “longevity gene”
Space Elevator: 22,000-miles-high
Mayan Ruins: pinpointed by satellite
Profile: Bonnie Bassler - how bacteria “talk”
Earlier this week, the Wildlife Conservation Society (WCS) announced the discovery of 125,000 lowland gorillas in the northern part of the Republic of Congo. NewsHour spoke to WCS CEO Steven Sanderson. Read or watch the interview…
Just days before the Olympic games begin, a haze still stretches across Beijing. The air pollution in China is a powerful reminder of the consequences of China’s recent rapid economic …
A new survey conducted by the Wildlife Conservation Society has found hundreds of thousands of western lowland gorillas inhabiting the vast forests and swamps of the Congo Republic.
Phoenix Mars Lander: NASA’s latest bot
Brain Trauma: prevention and treatment
Mammoth Skeletons found locked together
Profile: Judah Folkman, cancer researcher











