Three New DNA Studies Are Shaking Up the History of Humans in the Americas

It‚Äôs a huge day for archaeologists and anyone interested in the history of America‚Äôs first settlers. Findings from three new genetics studies‚ÄĒall released today‚ÄĒare presenting a fascinating, yet complex, picture of the first people in North and South America, and how they spread and diversified across two continents.

There Are More Tiger Types Than We Thought, New Genetic Analysis Reveals 

Tigers seem pretty straightforward: stripes, sharp claws, awe-inspiring grace wielded by hundreds of pounds of rippling muscle, fondness of sugary cereal, etc. But new research on the big cats’ DNA is the latest indication that underneath that striking orange and black pelage, not all tigers are the same. Scientists…