greatmomentsinscience - ABC Science (Australian Broadcasting Corporation)

Latest Articles in this Channel:

07/04/11--20:42: Antibiotics a gut-wrenching lottery (chan 1574344)

GREAT MOMENTS IN SCIENCE: If you are sick and need to take antibiotics then you roll the dice over what happens to the bacteria in your gut. Dr Karl puts the bacteria that live in your digestive system under the microscope.


07/11/11--17:00: Tears a sad fact of life (chan 1574344)

GREAT MOMENTS IN SCIENCE: It's a common claim that there's nothing like a good sob to let your emotions out. However, Dr Karl's explanation of why we cry is sure to bring you tears of joy.


07/18/11--17:27: Crying theories bring tears to your eyes (chan 1574344)

GREAT MOMENTS IN SCIENCE: While it is commonly claimed that a good-ol' cry is good for you, there is actually little scientific evidence to back it up. Dr Karl readies his handkerchief for the truth behind the original tear-jerker.


07/25/11--21:25: Chopping onions need not end in tears (chan 1574344)

GREAT MOMENTS IN SCIENCE: When you cut onions, why do you cry? Dr Karl has the answer.


08/01/11--17:20: Ice-cream headache is a real pain (chan 1574344)

GREAT MOMENTS IN SCIENCE: Why do some people get a headache when they eat ice-cream or drink something very cold? Dr Karl explains the painful truth.


08/08/11--18:08: Why is poo brown? (chan 1574344)

GREAT MOMENTS IN SCIENCE: We eat foods of many different colours, but they always come out the other end in shades of brown and yellow. Dr Karl travels through the human body to find out why.


08/15/11--17:00: More fork means eating less (chan 1574344)

GREAT MOMENTS IN SCIENCE: Recent research has found that to eat less at meal time all you need is to use a bigger fork. Dr Karl tucks in to a tasty connoisseur's conundrum.


08/22/11--18:47: Hot cuppa physics causes a stir (chan 1574344)

GREAT MOMENTS IN SCIENCE: It's taken world-beating physicists only until recently to figure out what happens when you stir your hot beverage of choice. Dr Karl believes this is one definitely worth trying at home.


08/30/11--16:28: Fast food addiction an inconvenient truth (chan 1574344)

GREAT MOMENTS IN SCIENCE: When it comes to hankering for fast food, your brain may have more to say than your stomach. Dr Karl is here to help you resist the temptation.


09/05/11--15:43: Fast food 'feast' a trick of the mind (chan 1574344)

GREAT MOMENTS IN SCIENCE: Why do some people keep eating unhealthy food even when they're no longer hungry? Dr Karl reveals the tasty morsels that keep you coming back for more.


09/12/11--17:35: No-cheating diet cures fast-food fix (chan 1574344)

GREAT MOMENTS IN SCIENCE: While fast-food companies use neuroscience to lure you to their doors, it is also handy for breaking the habit. Dr Karl shares some tips to help halt those fast-food cravings.


09/19/11--18:05: Cigarette danger outweighs skinny incentive (chan 1574344)

GREAT MOMENTS IN SCIENCE: For many cigarette smokers, their tobacco addiction means they tend to eat less. As Dr Karl explains, scientists have only recently understood why smoking may cause weight loss.


09/26/11--21:01: Watchful eyes keep you honest (chan 1574344)

GREAT MOMENTS IN SCIENCE: People are generally cooperative, even to those they don't even know. But Dr Karl shows how even the vague perception of being watched can have a marked effect on how we behave.


10/03/11--17:05: Miracle fruit brings a change in taste (chan 1574344)

GREAT MOMENTS IN SCIENCE: A little-known African berry can make sour things taste sweet. Dr Karl sinks his teeth in to a very fruity phenomenon.


10/10/11--16:16: Miracle berry's sweet secret (chan 1574344)

GREAT MOMENTS IN SCIENCE: If you could miraculously make bitter food turn sweet, would you do it? Dr Karl reveals the secret to the amazing taste trick of miracle fruit.


10/17/11--15:55: Stuxnet unleashes malware warfare (chan 1574344)

GREAT MOMENTS IN SCIENCE: In 2010, Iran revealed its nuclear program was attacked by a type of computer virus. Dr Karl peers down the pipe at the murky world of computer viruses, spyware and digital-age intrigue.


10/25/11--14:12: Stuxnet opens cracks in Iran nuclear program (chan 1574344)

GREAT MOMENTS IN SCIENCE: A politically motivated cyber-attack was recently successful in penetrating the computer defences of governments. Dr Karl pursues the path taken by the computer worm, Stuxnet, as it attacks a uranium processing plant in Iran.


10/31/11--20:39: Stuxnet the world's dirtiest digital bomb (chan 1574344)

GREAT MOMENTS IN SCIENCE: Computer espionage has taken on a newer and more sinister meaning this century. Dr Karl looks closely at the dirty work done by a computer worm, Stuxnet, as it attacked a uranium processing plant in Iran.


11/07/11--15:32: Science of taste on tip of your tongue (chan 1574344)

GREAT MOMENTS IN SCIENCE: Taste is the most poorly understood of our five senses. Dr Karl prepares the table to make a meal of the myths.


11/14/11--14:19: Tastebud map a sensational tale (chan 1574344)

GREAT MOMENTS IN SCIENCE: While commonly thought to sense only four tastes, our tongues can actually sense five. Dr Karl pokes his tongue out at the so-called taste-bud map of the human tongue.


11/21/11--14:12: Post-workout protein builds better muscles (chan 1574344)

GREAT MOMENTS IN SCIENCE: Regular exercise is an important ingredient of any diet. But it doesn't matter if you're fit or fat, Dr Karl has some tailor-made health and wellbeing advice for you.


11/28/11--15:32: Weight-loss diets given run for their money (chan 1574344)

GREAT MOMENTS IN SCIENCE: Shedding those extra kilos might not be as simple as the late-night advertisers would have you believe. Dr Karl sets off on a mad dash for the facts.


12/05/11--15:07: Popeye's spinach story rich in irony (chan 1574344)

GREAT MOMENTS IN SCIENCE: If you simply believe whatever you read you will end up in a spot of bother. And when it comes to the facts about spinach, even Dr Karl was fooled.


12/13/11--16:48: 'Functional' food claims fanciful (chan 1574344)

GREAT MOMENTS IN SCIENCE: 'Foods with benefits' is new marketing spin supported by questionable clinical studies. Dr Karl looks to why we are getting substantially less nutrition that we used to.