Spencer Pearce

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Siberian Holes Could Be ‘Visible Effect’ of Global Warming, Experts Say

There's a scary answer for why Siberia is turning into Swiss cheese: Mother Nature has gas, so to speak, and we gave it to her.<p>That's the preliminary conclusion of scientists who have explored the mysterious holes that began popping up in Siberia beginning last month, some of whom have postulated …

Climate Change

The Beginner's Guide to Getting Better Sleep

Opinions expressed by <i>Entrepreneur</i> contributors are their own.<p>On February 13, 1972, Michel Siffre climbed into a cave in southwest Texas. It would be six months before he saw daylight again.<p>Siffre was a French scientist and a pioneer in chronobiology, which is the study of biological rhythms. The …


Shadows of summer

Astronomy Picture of the Day (APOD)

Huge trove of dinosaur footprints discovered in Alaska

A "world-class" dinosaur track site discovered in Alaska's Denali National Park shows that herds of duck-billed dinosaurs thrived under the midnight sun.<p>"We had mom, dad, big brother, big sister and little babies all running around together," said paleontologist Anthony Fiorillo, who is studying …

Genetically-engineered moths make spider silk for flameproof pants

Spider silk is widely considered a superfibre, a near magical material with potential medical and military applications. The problem is that …