Great Moments In Science - With Dr Karl Kruszelnicki

How did Russian gamblers cheat US casinos out of millions of dollars? Dr Karl explains their scam - and the Australian connection.

Poker machines are built to only pay back about 10 cents for every dollar you put in. But thanks to Putin and maths, it's possible to win.

An artificial uterus has been trialled for lambs, but why do we need one in the first place?

Celery is low in kilojoules but it's the energy it takes us to chew and digest that pushes us into negative calories.

Yawning has all kinds of strange links to different aspects of human experience.

Headlines don't get much punchier than "All mammals poop in 12 seconds ...".

There's a lot of maths - and a bit of astronomy - behind the sideways swing of a ponytail.

It kills millions, and it costs trillions. Air pollution is killer number 5

Compared to other animals of the same size, humans just aren't that nutritious. Is that the only thing holding cannibalism back?