How late is too late to revive a brain? Pig brain study raises questions; Hippo poop provides a key mineral for vital algae's tiny skeletons; Stitching up surgical cuts with slug slime; How air conditioners could keep you cool and capture carbon; Holy coral reefs? They've got a 'halo' that could show if they're healthy; How big is too big for quantum mechanics?

CO2-sniffing plane finds oilsands emissions higher than industry reported; Cataracts, small brains, and DNA damage - Chernobyl's wildlife 33 years after the meltdown; Mice reinvent the hamster wheel in zero gravity; A comet fragment trapped inside an meteorite captures a time capsule of the early solar system; Transcending the uncertainty of quantum mechanics in 'Einstein's Unfinished Revolution'; Have species from Canada invaded other places?

Scientists have put a human brain gene into monkeys. Have they crossed the line?; Pee-oneering archeology. A new technique uses urine to study the ancient past; Why the long face? Human faces evolved to reveal emotions and communicate; Sharks cope with levels of heavy metals in their blood that would kill other animals; Is there life 'out there?' How we'll search for traces of life on nearby exoplanets; How do insects like ants time their emergence so precisely?

Months locked in a tiny box - how solitary confinement can erode mental health; When is your brain stronger than your genes? How the mind can fool the body; 50 million deaths in the New World drove cooling in the the Little Ice Age; Searching for Endurance: Antarctic researchers hunt for the relics of Antarctic adventurers; A stick-on sensor sucks in sweat and can reveal dehydration and more; How do birds find their prey when hunting in muddy water?

Rocking yourself to sleep improves sleep quality and memory - even in grownups; Body language could be the secret behind the sweetest music; The first feathers for flight? A 160 million year old dinosaur might have had them; How to build a death ray - a new book looks attempts to make the ultimate weapon; A Robot reconstruction of a 300-million-year-old fossil shows how it walked; Does the speed of sound change with temperature?

The Gryphon Trio playing 'non-expressively'

The Gryphon Trio playing 'expressively'

Elephants are evolving to be tuskless after decades of poaching pressure; Discovery of room temperature superconductors could bring floating trains and more; Scott Kelly spent a year in space - and it literally changed him; Repeated pain makes men more sensitive - but not women; Waves are getting stronger and more dangerous thanks to climate change; Will Edmonton run out of water as the Columbia Icefield continues to melt?

TESS, the planet hunting space telescope, is on track to discover a sky full of exoplanets; Lab grown lungs are transplanted in pigs today, they may help humans tomorrow; The year in Climate Change: Fires and heat-waves show things are heating up; Billions of viruses are raining down on you from the upper atmosphere every day; Even kids as young as four want to punish freeloaders; A lake of water was found on Mars - and may be the first of many.

A writer and sound engineer investigates the science of the human voice; Our atmosphere is a thin veneer on our planet, but this writer says it's where the action is; A revolution in evolution is turning back the clock more than 200 years, says new book; How important is dust to making it rain?