In the United States, it’s estimated that 30 percent of adults and 66 percent of adolescents are regularly sleep-deprived. This isn’t just a minor inconvenience: staying awake can cause serious bodily harm. Claudia Aguirre shows what happens to your body and brain when you skip sleep.
Michael Mosley reveals what happens during the middle weeks in the womb, a period when faces form, skin takes on its colour, brains are being organised and personalities start to take shape. Told through a series of inspirational human stories, the path to becoming unique human beings is very complex.
2/3 • Countdown to Life: The Extraordinary Making of You • 2015 • Health
Every second of your life you are under attack. Bacteria, viruses, spores and more living stuff wants to enter your body and use its resources for itself. The immune system is a powerful army of cells that fights like a T-Rex on speed and sacrifices itself for your survival. Without it you would die in no time. This sounds simple but the reality is complex, beautiful and just awesome. An animation of the immune system.
Just as humans have always sought food to survive, we have also sought the means to preserve that food. Right from the very moment of a kill or a harvest, food begins to break down. With preservation, we can plan for times of scarcity during times of plenty.