Science of the Week, 5/6/16

Here are some of the most interesting science news articles I read this week:

Math without numbers

Cheaters never win, new study finds

Scientists discover oral sexual encounters in spiders
(I shudder to think of the story ideas this would inspire...)

Spotting hidden activity in cells

You may have already decided to read this article

Discovery of a fundamental limit to the evolution of the genetic code

Genetic switch could be key to increased health and lifespan

Researchers find that Earth may be home to 1 trillion species

Scientists discover potentially inhabitable planets

People can be trained to think in a way that protects them from PTSD

Children trust "smart" characters on television

Have a good weekend, everyone, and see you on Monday!