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evolution

Does Kin Selection Explain Altruism?

 Does Kin Selection Explain Altruism?

There’s a curious puzzle unanswered by the theory of evolution: why do some animals give up their chance to reproduce to help others reproduce instead? For decades biologists have suggested family was the reason, but that has recently been challenged. See more »

How Gossip Works

 How Gossip Works

You know what I heard? That Josh and Chuck hate each other and they're just faking being friends for the show. That's called gossip, folks and it can do serious damage. Learn all about it in today's episode. See more »

How Vestigial Organs Work

 How Vestigial Organs Work

Darwin asserted that seemingly useless organs and behaviors are left over from our evolutionary history. But as more are found to have a function, the idea has become a flashpoint for the battle between science and religion. See more »

The Best Stuff We've Read This Week

 The Best Stuff We've Read This Week

Each week, Josh and Chuck read tons of great articles, some of them really good. Here are the best of the bunch for your enjoyment. See more »

Does the body replace itself?

 Does the body replace itself?

Does the human body really replace itself every few years? The answer is yes, but different parts of the body do so at different rates. Learn all about which parts of your body are the speediest, and which take the longest to regenerate. See more »

The Best Stuff We've Read This Week

 The Best Stuff We've Read This Week

Every week Josh and Chuck read tons of articles and some of them are pretty great. Here are the best of the bunch. See more »

The Best Stuff We've Read This Week

 The Best Stuff We've Read This Week

Each week Chuck and I read tons of articles and a lot of them are really good. Here are the best of the bunch from us to you. See more »

The Best Stuff We've Read This Week

 The Best Stuff We've Read This Week

Each week, Josh and Chuck read tons of articles, many of which are really good. Here are the best of the bunch. See more »

How Natural Selection Works

 How Natural Selection Works

While evolution gets all the spotlight for moving species into better versions of themselves, but really it’s natural selection that is the engine driving the process. Learn all about this elegant scientific observation that forms the basis of life. See more »

How Charles Darwin Worked

 How Charles Darwin Worked

Charles Darwin wasn't the first or only scientist to grasp the theory of evolution through natural selection, but he became its father and icon. Learn about the man who reluctantly but bravely became the source of the divide between religion and science. See more »