A biotech rescue for the northern white rhino, smarty-pants parrots brain structure, high-energy neutrino source found, night shifts disrupt our brain and gut clocks, sizing up human roars and more

Quirks and Quarks

Lab-made hybrid embryos could save the northern white rhino from extinction; Parrot's unique brain structure explains why they're so smart; Freshly detected 'ghost particle' offers a new way to observe the universe; Night shifts put your brain and gut clocks out of whack; Humans can judge a person's strength from their aggressive roars; Incredible dandelions could hold the key to growing plants on the oil sands; Why do predatory dinosaurs have eyes on the sides of their head?

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