Chasing neutrinos at the South Pole

World's iciest telescope looks down; sees ancient explosions

Neutrinos are odd: Extremely difficult to see, they travel through mass with scarcely a trace. A 1-billion ton detector in South Pole ice is now counting neutrinos, intent on understanding their origin and role in the universe, and even spotting echoes of the Big Bang. More »

Ocean fish in hot water

The warming ocean is creating a trap that could doom fish

The ocean’s most valuable fish are caught in a vise. Areas known as dead zones are encroaching on their living zones and pinning them closer to the surface, where they are more vulnerable to becoming the day’s catch. The predicament is yet another side effect of climate change. More »

Science Teachers: Hip yourself to a great resource!

Teaching the science standards? Looking for extra-credit projects?

For 15 years, we've presented the science behind the news. The Why Files are accurate, engaging, entertaining and educational. Check our links from national science teaching standards to specific Why Files -- all 750 of them! Whether it's geology or archaeology, weather or human behavior, The Why Files has it covered. More »

Flying virus!

Influenza floating in day care centers and airplanes!

Got flu? Then virus particles can enter the air aboard aerosols released by a sneeze, cough or even a breath. Smaller droplets can stay aloft for hours -- so size matters. According to a new study, many droplets can float for an hour -- plenty long enough to infect another victim. More »