Science

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Ocean Ramsey wants you to know that sharks are vastly misunderstood. They’re scavengers, and rarely confrontational, said the biologist and scuba instructor, who has studied the animals for 15 years and leads cageless shark diving expeditions off the coast of…

Feb 19

A detailed new map of our genome in action

Your genome contains thousands of genes, possible instructions that build your cells. So how do cells know which genes to use? A set of markers called the epigenome tells them which genes to turn on and off. But if they…