EarthEarth wouldn’t have ice caps without eroding rocks and quiet volcanoes Throughout Earth's history, ice caps have been very rare, but a model of the past 420 million years suggests an explanation for why they sometimes form 51¶¯Âþ
MindWhy we may crave dessert even when we are full from dinner In mice, the neurons that dictate the feeling of being full are also the ones that cause sugar cravings, potentially explaining why people are still able to eat sweets after a filling meal 51¶¯Âþ