Flying food for fish? Tiger sharks are somehow eating songbirds; Fungus fossils shows the complexity of Earth's life a billion-years-ago; Scientists create robot-like biomaterial with key traits of life; Ancient beavers as big as bears died out because of their woodless diet; No, really, calculus can be beautiful and this mathematician will tell us why; What happens to oil spills after dispersant is used?

We need plastics - how do we avoid choking the planet with them?; Learning from tragedy - a baby lacking critical brain cells and a medical detective story; Processed food is full of bad stuff, but the real problem is you eat too much of it; 'Siri, does my baby have an ear infection?' An app does medical diagnosis; Moonquakes show the moon is still geologically 'alive; Why do Canada geese honk while migrating?

Cutting-edge experiments show an electrical zap improves memory in older adults; Countdown to the moon landing: Apollo 10 - the mission that came so close to the moon; It's all about the sugar fix: Eating too much sugar causes fruit flies to eat even more; Barnacles stuck to ancient whales kept an itinerary of whale migration routes; The secret of STEVE's glow - understanding the purple pal of the aurora borealis.

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?

Seeing the first black hole - and what we'll see next; A new tiny hominin discovery gives the 'hobbit' a distant cousin; Collapsing coral reefs - can we rebuild them?; Ketamine works its magic on depression by 'stabilizing the brain in a well state'; Female dolphins may know the joy of sex thanks to a human-like clitoris; How and why do cats purr?

A catastrophe frozen in time - a new fossil site shows how the dinosaurs died; The race to the moon - what the Russians were doing behind the Iron Curtain; Tasmanian Devils are learning to live with the cancer that was pushing them to extinction; Roadside THC tests do not test for impairment. How can science help?; Permafrost landslides are eating great swathes of Arctic landscape.

Animals like dogs and cats certainly suffer from dementia.

Cataclysmic events have shaped our world and our universe