Biological Science File

: Why can a salamander regrow an entire limb, but humans can't? Why It Matters to You

: The workers. They build your muscles, speed up chemical reactions as enzymes, and defend your body against invaders. biological science

: The fuel. They provide the quick energy your brain needs to think and your legs need to run. : Why can a salamander regrow an entire

: How do so many different species of plankton coexist in the ocean while competing for the exact same resources? : The fuel

Even with our high-tech tools, biology is full of "abominable mysteries" (a term Darwin himself used for the origin of flowering plants). We still don't fully understand:

The Invisible Architects: How Tiny Biological Molecules Run Our Giant World

: The boundaries. They create the protective walls around your cells and store energy for the long haul.