Did ancient climate change ignite human evolution? from Scientific American

Be happier by knowing your future self from Nautilus

How to talk to someone with anxiety from The Guardian

New fossils hint ‘Hobbit’ humans are older than thought from National Geographic

Ray Kurzweil’s four big insights for predicting the future from Singularity Hub

An E.R. kicks the habit of opioids for pain from International New York Times

Why We Get Brain Freezes from LifeHacker

Neuroscientists discover a new way to cross the blood–brain barrier from Scientific American

Curiosity depends on what you already know from Nautilus