Jabrina Mikell

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Elephant history rewritten by ancient genomes

DNA from extinct species forces rethink of elephants’ family tree.<p>The genome of a mysterious ancient fossil has shaken up the elephant family …

Evolution

Artificial sperm breakthrough gives infertile men new hope

WHY THIS MATTERS IN BRIEF<p>Researchers give new hope to infertile men and raise ethical questions about how we define fatherhood in the future.<p>No doubt …

Genetics

Forget 'Stop and Frisk' -- Cops Across US Collecting DNA of Innocent People in 'Stop and Swabs'

Without laws to guide them, police around the country have begun collecting people’s DNA — even when no crime has been committed — using private labs …

How rattlesnakes got, and lost, their venom

They learned that Western and Eastern Diamondbacks independently deleted the neurotoxin genes roughly 6 million years ago, while the Mojave …