Nature
Exploring "Why" questions about Nature
487 articles
Why does water (in lakes or seas) look green up close but blue at a distance?
Depends what the water contains, it can be green if there is a strong presense of certain algae. However, if there are no waves, the water acts as a mirror. So if there is a blue sky, thats what you w
why are Android application updates as big as the size of the app, while on Windows/steam they are very small?
Android apps are packaged and treated as a single unit whereas on steam it is installed as a series of files. So on one hand you replace the whole unit (so technically you do reinstall the whole app),
Why is weatherstripping for doors/windows hollow?
Combination of reasons, it uses less product and therefore cheaper. A large hollow foam tube can be squished when the door closes and make a good seal. A smaller solid tube will leave gaps and won't s
Why do the windows in the back seats of cars not go down all the way like in the front?
It's not to keep children in the car. It's simply that there isn't enough space inside the door for the window. The bottom of a front car door is bigger than the window, so it can go entirely inside.
Why do we (in the U.S.) have a National Forest Service AND a National Parks Service?
No. They are very different things. A park is for people.
Why is Apple allowed to bundle iTunes with iOS and restrict competing products, while Microsoft couldn’t do the same with IE with Windows?
Apple does not control almost all of the market, so bundling iTunes and restricting competing products will not prevent competing products from being successful.
Why doesn’t President Obama pardon Edward Snowden?
Because your president supports the NSA and the "stricter control" speeches are only to please people like you, who decide to overlook the fact that he prolonged the Patriot Act and that the NSA was b
Why is it more quiet when it’s snowing?
Many things at once make this happen: 1) Snow on the ground absorbs the noise around us, where as the hard surface of the roads bounce it off. Just like a room with carpet and curtains does not echo,
why flood waters from South Carolina be shipped by truck, train, or pipeline to drought stricken like California.
1. where does the pipeline start? sure SC has a flood now, but normally they do not have an abundance of water.
Why the sound of a thunder can be heard for a couple of seconds, although the lightning strike itself takes much shorter time to happen?
Thunder echos off of anything it hits, like hills or buildings, so its effect seems to stretch out as you hear all the echos shortly after the initial hit.