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Takes us into the world of digestion and its amazingly complex environment.Our health, body shape, mood and even our evolution are determined by the unseen life forms that swarm throughout our bodies. There are worms in your bowels, bacteria in your mouth, fungi in your lungs and even viruses in your DNA.The combined genetic information of all these bugs is more than 150 times greater than our own genes. Their cells outnumber our own by 10 to 1. This collective menagerie is called the microbiome, and in a very real sense, it is the making of us all.
2/2 • Life on Us • 2014 • Nature
The Caribbean has been shaped by millions of years of unstoppable volcanic forces and ferocious hurricanes, creating a network of 7,000 islands, each one more unique than the next. From islets only a few miles long to landmasses with towering peaks, the habitats of this tropical paradise range from lush rainforests hiding untold species to multi-coloured coral reefs teeming with marine life. The fauna of the Caribbean has had to adapt to an island existence, becoming either generalists or specialists…creatures as old as the dinosaurs nest on its beaches, opportunistic scavengers patrol its skies, iridescent dynamos forage in its forests and wandering ocean leviathans give birth in its warm waters.
2015 • Nature
When did we start riding horses? When did dogs become man's best friend? Answering questions like these help us understand our impact on other species' evolutionary journeys - a crucial step toward ensuring our survival doesn't necessarily come at the expense of their own.
2/6 • Mysteries of Evolution • 2017 • Nature
Traveling is extremely arduous for microscopic sperm -- think of a human trying to swim in a pool made of...other humans.
With technological advances allowing scientists to go deeper and deeper beneath the waves, catch a glimpse of the deep-sea beasts lurking below.
3/4 • Life of Oceans • 2010 • Nature
David Attenborough asks three key questions: how and why did Darwin come up with his theory of evolution? Why do we think he was right? And why is it more important now than ever before?