The tree of life is huge but is seems like every animal has it’s designated spot. How do scientists draw the lines between species?
Continue reading “VIDEO: Why Can’t Different Species Mate With Each Other?”
VIDEO: Can Certain Foods Improve Eyesight?
Is it true that certain foods, like carrots, can keep the eye doctor away? WSJ contributor Heidi Mitchell and Dr. Emily Chew discuss. Photo: AP
Continue reading “VIDEO: Can Certain Foods Improve Eyesight?”