Why are sloths so slow? - Kenny Coogan
AdultsAnimalsNatureBiologySloths spend most of their time eating, resting, or sleeping; in fact, they descend from their treetops canopies just once a week, for a bathroom break. How are these creatures so low energy? Kenny Coogan describes the physical and behavioural adaptations that allow sloths to be so slow.
Why do animals have such different lifespans? - Joao Pedro de Magalhaes
AdultsAnimalsLifeNature...For the microscopic lab worm C. elegans, life equates to just a few short weeks on Earth. The bowhead whale, on the other hand, can live over two hundred years. Why are these lifespans so different? And what does it really mean to 'age' anyway? Joao Pedro de Magalhaes explains why the pace of aging varies greatly across animals.
Why You're Attracted To Certain People
AdultsBiologyRelationshipsPsychology...Love is a beautiful thing, but what causes it? Well, it might all just be in your head.
The three different ways mammals give birth - Kate Slabosky
AdultsAnimalsNatureBiology...All mammals share certain characteristics, like warm blood and backbones. But despite their similarities, these creatures also have many biological differences - and one of the most remarkable differences is how they give birth. Kate Slabosky details the placental, marsupial, and monotreme methods of giving birth.
Why Some People Don't Feel Pain
AdultsHealthHumanNeuroscience...Pain helps us survive, and yet some people are born without the ability to feel pain, how?
Why do we itch? - Emma Bryce
AdultsBiologyHumanScience...The average person experiences dozens of individual itches each day. We've all experienced the annoyance of an inconvenient itch - but have you ever pondered why we itch in the first place? Is there actually an evolutionary purpose to the itch, or is it simply there to annoy us? Emma Bryce digs deep into the skin to find out.
This Is How Your Brain Powers Your Thoughts
AdultsBiologyNeuroscienceScienceScientists have figured out how our brains process thoughts and the explanation will blow your mind.
This Giant Neuron Could Explain Where Consciousness Comes From
AdultsBiologyNeuroscienceSelf...After uncovering three giant neurons, scientists could be one step closer to pinpointing where consciousness lives in the brain.
Shredding Bacteria With Technology From Insect Wings
AdultsAnimalsNatureTechnology...Dragonfly wings are covered in bacteria-killing nanopillars, and scientists are taking inspiration from them to make smarter anti-bacterial surfaces!
Weird Things Your Body Does When You're Around Your Crush
AdultsBiologyHumanRelationships...Love has some strong effects on our bodies. From blushing to sweating, why do we react the way we do when facing a crush?