The Antarctic ice sheet covers 14 million square kilometers and averages two kilometers thick. Locked inside it is roughly 60 percent of all the freshwater on Earth. If...
Category - Earth
Everyone assumes more trees means a cooler planet. Plant enough of them and the temperature comes down. The Sahara might prove that assumption wrong in the most...
Picture a sewing needle. Small enough to lose in the carpet, light enough that you barely feel it resting in your hand, and completely harmless in every ordinary sense...
The scenery at Yellowstone did not form gently. Those valleys, ridges, and wide open basins were carved by explosions, and the most recent one happened roughly 640,000...
Every wild animal keeps a distance from humans. That instinct is the only thing standing between us and most predators on Earth. Now imagine a creature large enough that...
There would be no flash in the sky. No sirens. Nothing on the news telling you to take cover. A black hole does not announce itself. It gives off no light, no heat, no...
Picture the most dangerous liquid you could possibly fall into. Most people think of boiling acid, or molten rock, or water swarming with something venomous. All...
The Moon weighs about one eightieth of what Earth does. That is why it can hang there for billions of years, tugging gently at our oceans, doing nothing worse than...
Corner a black widow and it runs. Corner a Sydney funnel web and it rises onto its back legs, exposes its fangs, and strikes again and again. That single difference in...
