Our host, Bill Nye, shows us "Micrographia", the book that championed the use of the microscope in science and set the stage for our first discovery in biology, microorganisms.
In tonight's episode Cathy and Luke hunt down sand frogs that drink their own urine and start a fire with nothing but a bit of old wood and some combustible roo poo. Luke puts his new-found confidence to the test on the dance floor and Cathy tries some tongue-twisting rap with the kidz in the hood in Tennant Creek.
James Watson and Francis Crick discover the structure of DNA takes the form of a double helix.
Our host, Bill Nye, discusses the torturous process by which scientists came to understand that inherited information is passed according to certain rules, rather than transmitted through a blending of fluids.
In Dead Tired, new medical studies will reveal what many scientists have long believed - that sleep deprivation can trigger and exacerbate many diseases including heart disease, obesity, diabetes and even depression. Tonight's episode investigates how sleep deprivation causes sickness and death.
Einstein's and Galileo's theories led to breakthroughs in understanding the universe. The work of Aristotle, Copernicus, Kepler, and modern day astronomers, Paul Butler and Saul Perlmutter also led to breakthroughs in astronomy.
Explore important physics discoveries that help us understand how the world and universe operate, and why things move and work the way they do.
In this second and final episode, Professor Richard Dawkins looks at how health has become a battleground between reason and superstition. A third of the people in the UK now spend a total of over #1.6 billion a year on 'superstitious' alternative remedies, but 80% of those remedies have never been subjected to properly conducted trials. Dawkins criticises the growing field of alternative medicine which does not pass the same objective and statistical rigour as scientifically derived treatments using controlled double-blind studies.
Does a dirty car get better gas mileage than a clean one? Is the adage, "Stick to beer you're in the clear; beer then liquor ever sicker" true?
Tasmania is home to the biggest marsupial carnivore left on earth - the Tasmanian devil. Award-winning filmmakers David Parer and Liz Parer-Cook explore the way of life of this special Australian in Terrors of Tasmania.
There's something especially mesmerising about observing primates, particularly monkeys, mimic human behaviour. Snow Monkeys: Who's Hot And Who's Not is a rich and varied story which focuses on the very different lives of two groups of monkeys - one lives in relative luxury, while the other must endure a daily battle for survival.
Last century, earthquakes killed over one million, and it is predicted that this century might see ten times as many deaths. Last week, a major quake devastated Haiti, yet when an earthquake strikes, it always takes people by surprise. So why hasn't science worked out how to predict when and where the next big quake is going to happen?
A look at what happens to the world we leave behind when water floods our cities. New Orleans is flooded with rain water. Its aquarium's power goes out, spelling trouble for the animals inside. Head lice die off without human hosts. The fate of the Space Needle is shown, and humidity in the Middle East wrecks the space-age structures of Dubai. The fate of St. Basil's Cathedral in Moscow is also shown. The episode examines buildings in New Orleans that were damaged by Hurricane Katrina and were subsequently abandoned four years before the airing of the episode.
Discovery of Penicillin
Explains how pencillin was discovered.
Semmelweiss discovers that the difference of washing hands. Pasteur explains bacterial problems in fermentation and diseases.
ESL listening exercise
One of the greatest achievements in the field of medicine was the discovery of penicillin, the first antibiotic. Other top discoveries include anaesthesia, the X-ray, and germ theory.
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