The resemblance of this tree trunk to phil collins is pretty making me wonder if the tree possesses some eerie kinship to the talented drummer/singer.

Nasa scientists must work together to make sure that everything is correct and accounted for when launching a shuttle. besides a physicist, what other type of scientist would be in making sure that the shuttle has the appropriate type and amount of fuel to reach its destination?

The diagram shows a chicken embryo and a human embryo

If you relate the doppler effect on sound to the color of light waves, a police car would be the color as it approaches and the color as it recedes away from the observer.