/r/askscience
Mark as read: Add to a list
If 2 objects are traveling at 0.5 the speed of light relative to some 3rd object but in opposite directions, would each perceive the other as going the speed of light? What about 0.6 times to speed of light?
Mark as read: Add to a list
Mark as read: Add to a list
Does Mars have caves and if we discover a large enough cave system on Mars, how deep would we need to go to reach a hospitable temperature?
Mark as read: Add to a list
Mark as read: Add to a list
Do caterpillars need to become butterflies? Could one go it's entire life as a caterpillar without changing?
Mark as read: Add to a list
Would a taller person have higher chances of a developping cancer, because they would have more cells and therefore more cell divisions that could go wrong ?
Mark as read: Add to a list
Mark as read: Add to a list
Mark as read: Add to a list