Great Moments In Science - With Dr Karl Kruszelnicki

The poor old goldfish has be slandered for far too long.

Having more vitamins will make you healthier... right?

Humans waste a huge amount of food every year.

Fact or fiction: Daddy-long-legs are the most poisonous spiders in the world?

Could a villain or hero knock out a room full of enemies with a so-called 'anaesthetic bomb'?

Which would win*: humans or volcanoes? (*In a fight over carbon emissions)

Yup, there are dunes on Pluto — and in other parts of our Solar System.

Is it worth paying more for A2 milk? What's the evidence that it might be better for you?

Is "cockroach milk" the next "superfood"? Do cockroaches even make milk!?

Can an astronaut really see the Great Wall of China from space?

130 years ago one woman went on the first road trip and made history. Is it time for another change in transportation?

Which do you think packs more punch — gunpowder or a sandwich?

Whales are the giants of the marine realm, and we've only recently discovered why they're so huge.

How do trees face an incoming threat if they can't move, see, or hear?

They may not be able to walk, but trees do talk — at least to each other.

Trees are solid and dense. However, they're made from air. Wait, what?

Sulphur dioxide pollution from coal-fired power stations can have bad health effects — but who picks up the bill, and could power stations be doing more?

Imagine waking up one day and speaking with a different accent — with no control over it! Thanks to a very rare syndrome, this can actually happen.

Hummingbirds have a suite of incredible and unique features. However, one of their most important traits can lead to an early death.

For thousands of years, Australian Aboriginal people have accurately passed down information from one generation to the next using oral traditions.