Immunotherapy, The Evolution Of Eyebrows, Unconventional Bird Calls. April 13, 2018, Part 2

Tumors are masters of disguise. The field of immunotherapy—teaching our immune system to recognize cancer—is burgeoning with solutions to this problem. 

The eyes may be the window to the soul, but it’s our eyebrows that are doing all the talking. The ability to wiggle those two hairy features around isn’t just some party trick, it’s almost like a secret language—one that even our ancient ancestors used to their advantage. 

One of the first signs of spring are the sounds of birds chirping in search of food, nesting grounds, and a potential mate. But sometimes those bird calls aren’t coming from the source you’d expect. In some species, female birds also use calls, and a group of hummingbirds creates calls with their tail feathers. 

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