Mexico starts campaign to save endangered porpoise Mexico is investing 163 million pesos (US$16 million) to save a highly endangered type of porpoise from fishing nets in the upper Gulf of California.
Climate negotiators reconvene this week in Ghana Negotiators meet in Ghana this week to resume work on a new climate change treaty and discuss ways to prod developing countries to join the fight against global warming.
NASA fixes moonship shaking with shock absorbers A space-age version of the rusty springs under old pickup trucks will help NASA fix the most pressing technical problem with its high-tech new rocket to send astronauts back to the moon.
Stem cell advance may help transfusion supplies Scientists say they've found an efficient way to make red blood cells from human embryonic stem cells, a possible step toward making transfusion supplies in the laboratory. The promise of a virtually limitless supply is tantalizing because of blood donor shortages and disappointments in creating blood substitutes.
Whale calf lost in Sydney waters, bonds with yacht A lost humpback whale calf that bonded with a yacht it seems to think is its mother will likely die within days if it doesn't find another mother to adopt it, a wildlife official said Tuesday.
Clinton: US should demonstrate energy solutions The United States can capture the world's imagination by creating an energy independent state, territory or nation, former President Bill Clinton told an energy summit.
Australian PM urges more US climate change action Australian Prime Minister Kevin Rudd urged the United States on Tuesday to take more action on climate change and become more involved in the global debate on the issue.