An interesting video by Minute Earth explaining how scientists determine a planet’s age.
Enjoy!
Ever wondered how your oven can transform a pale blob of dough into a crisp, brown sugar cookie? Or a pan full of gooey batter into a fluffy cake? It’s not magic. Well … maybe it’s a little magical, because all cooking is one part art, especially when it comes to inventing new recipes and baked treats (like cake pops). The other part, of course, is science. That’s the part that does all the browning, crisping and batter fluffing. It’s all explained in our fun and informative infographic.
The differences between Wasps and Bees, and how to identify their nests.
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How can you tell the difference between a yellowjacket and a hornet? And how much cosmic XP do you need to evolve a wasp into a bee? Follow the insect that stung you, and discover the fascinating world of wasp nests and bee hives.
Enjoy!
We all get cravings for specific foods every now and then, and those cravings can be so strong, they almost feel involuntary, like your body is missing some nutrient it can get from a Cinnabon. This isn’t typically how cravings work, though.
As SciShow explains, cravings are a lot more psychological than they are physiological. Host Michael Aranda says that they’re usually tied to different emotional triggers, like stress. He explains:
Eating a butter frosted cupcake or a bag of salty fries releases an opioid typhoon that lights up the brain’s pleasure center and makes us feel awesome…cravings are also tied to your brain’s memory center, which explains why you might also crave a food that isn’t full of fat or sugar. Your brain could be tying that food to a happy memory or a reward, and thinking about the memory associated with that food can make you crave that food.
Marci Pelchat of the Monell Chemical Senses Center told Smithsonian magazine that there are indeed some extreme deficiencies that cause cravings, but generally, cravings aren’t our body’s way of telling us we need something. For more detail, check out the full video.