Nature
Exploring "Why" questions about Nature
487 articles
Why do European forests seem to have less underbrush than forests in the Eastern U.S.?
Im no expert but I believe its because they've been left alone to grow longer, when trees get bigger it cuts off sunlight to the floor, over time you get a lot less smaller plants in the underbrush du
Why did the Fertile Crescent become a desert?
Well, first off the Fertile Crescent isn't in Europe; it's in Asia and Africa. It refers to the watersheds of the Tigris, Euphrates, Jordan, and Lower Nile rivers. More to the point, the Fertile Cresc
Why is the rainbow used as a symbol for LGBT?
A San Francisco Man, Gilbert Baker was asked to come up with a flag for the first Gay Pride parade. He choose a rainbow. In his words “We needed something that expressed us.
Why don’t we dump our trash in volcanos?
1) It is prohibitively expensive to move all of the world's trash to the top of volcanoes. 2) Burning trash produces pollutants. No, volcanoes don't get hot enough to kill pollutants.
why all living things (almost) try their best to produce offsprings?
I notice a lot of these natural selection questions are a lot easier to understand if you question the fate of the opposite, in this case the answer becomes clearer if you ask instead "What happened t
Why couldn’t we use dust grain dispersion instead of fuel in a combustion engine?
Internal combustion engines work by igniting fuel under a compressed piston, which rapidly heats up the air and (therefore) causes a dramatic rise in pressure, pushing the piston out. The two most com
Why are many highways winding and not straight?
They have to go around hills and valleys without going up and down to much. Therefore, they gently curve around to keep the road relatively level.
Why did using AM radio for music fall out of favour?
AM sound quality isn't great, but it travels longer distances. FM sounds better, but doesn't travel far. This is probably not an official stance, but I think AM - being sports and news talk primarily
Why do cartoons decide to change art directions every season?
It's most likely just that they're adapting to changing quality and aspect ratio of television (like Family Guy did when they made the change to 16:9 aspect in HD) and that they're finding easier ways
Why aren’t cars designed so that drivers sit in the middle?
For a couple of reasons: 1. There's more room for passengers when the driver's seat is off to the side, so you can put another seat next to it. Most passenger cars are not wide enough to accommodate