The Brothers Barton, talking armchair science from their armchairs. No politics, no guilt trips—it’s science!
Brad got older, and Phil got bolder. Since the one brother had a birthday and got all lazy, the other brother made a new show, and went all crazy. Join...
What was the first food? The energy we need in order to live comes from the food we eat. Other organisms use other forms of energy. But what about the...
Prebiotic evolution part 2: DNA and RNA DNA cannot copy itself. It needs enzymes, very large complicated proteins to replicate from one cell to a new...
Prebiotic evolution part 1: proteins Most of the way your cells do what they do is by using proteins. Proteins are made by life. But if life makes proteins...
The solar system’s greatest hits After gravity managed to make some decent sized planets, they started getting smashed together with almost planet...