Scientists Explain How Males Evolved From A Self-Fertilizing “Third Sex”

Most creatures on Earth have one sex that fertilizes and one that gets fertilized. Not so with olive trees. Last week scientists described how these trees evolved a system of males and a third sex which can go both ways.

SEE ALSO: -DO PLANTS BEHAVE LIKE HUMANS?-

Seat of Temptation Found in the Brain

Whenever you save money instead of splurging at the mall, or opt for the gym over a relaxing evening on the couch, you might want to thank a region of your brain just above the left ear. This brain area could be responsible for the human ability to resist temptation and wait around to reap rewards, a new study finds.