Science Names (Molecules)

Sci-Fi Books

Sci-Fi Shows

The top 20 dogs that need constant grooming...either non-shedding or heavily-coated, shedding dogs.

We've had a good run of it. In the 500,000 years Homo sapiens has roamed the land we've built cities, created complex languages, and sent robotic scouts to other planets. It's difficult to imagine it all coming to an end. Yet 99 percent of all species that ever lived have gone extinct, including every one of our hominid ancestors. In 1983, British cosmologist Brandon Carter framed the "Doomsday argument," a statistical way to judge when we might join them.

Should you decide to venture into a field to take in the next lunar eclipse, it's best to have most of these supplies on hand.

Mammals found either occasionally or permanently above the Arctic circle in Canada.