Great Moments In Science
Activity Overview
Episode publication activity over the past year
Episodes
Brain freeze
19 Feb 2019
Contributed by Lukas
Why do some people get headaches from eating ice-cream or drinking something very cold
Dodging rocks
12 Feb 2019
Contributed by Lukas
We're all just one small rock away from extinction.
Our planetary neighbourhood
05 Feb 2019
Contributed by Lukas
Everybody needs good planetary neighbours. But who is our closest?
Left face attractiveness
29 Jan 2019
Contributed by Lukas
Want to look good? Put your left face forward.
Mobile phones and empathy
22 Jan 2019
Contributed by Lukas
Is a mobile phone getting in the way of your relationship?
Fast food and your brain
15 Jan 2019
Contributed by Lukas
Are you aware of all the crafty tricks fast food retailers use to keep you coming back for more?
Fork 'n' food
08 Jan 2019
Contributed by Lukas
Would using a larger fork lead to you eating more food, less food, or just the same amount?
Hiccups cure: part two
01 Jan 2019
Contributed by Lukas
A hiccup cure that really works — if you're brave enough.
Hiccups cure: part one
25 Dec 2018
Contributed by Lukas
Why exactly do we hiccup? Is there a cure!?
Mass of a proton: part two
18 Dec 2018
Contributed by Lukas
How can relativity and quantum mechanics create mass in a tiny particle?
Mass of a proton: part one
11 Dec 2018
Contributed by Lukas
The Universe is made of atoms — but what are atoms made of?
Cube-shaped wombat poo
04 Dec 2018
Contributed by Lukas
Have we finally figured out how wombats make cube-shaped poo!?
Do fish drink water?
27 Nov 2018
Contributed by Lukas
The answer to this question is a little surprising, not least because it involves wee.
Black hole in the Milky Way: part two
20 Nov 2018
Contributed by Lukas
Astronomers have seen stars and superhot gas flying in orbits that bring them very close to the supermassive black hole in the middle of our galaxy —...
Black hole in the Milky Way: part one
13 Nov 2018
Contributed by Lukas
Black holes have no size, but have a huge mass — and there's an enormous one right in the middle of our galaxy.
Geotagged photos
06 Nov 2018
Contributed by Lukas
Are you accidentally sharing your precise location, whenever you upload a photo?
Measure Earth
30 Oct 2018
Contributed by Lukas
Reckon you could measure the circumference of the Earth using just a stick and some basic geometry?
Cigarettes radioactive
23 Oct 2018
Contributed by Lukas
You've probably heard cigarettes are bad for you — but did you know tobacco contains radioactive material?
Alkaline diets
16 Oct 2018
Contributed by Lukas
It's said that the 'alkaline diet' can help you lose weight, and fight off cancer — but it looks like these claims don't stand up.
Kiss the Sun: part two
09 Oct 2018
Contributed by Lukas
After hearing about the Parker Solar Probe's mission to the Sun, now Dr Karl is taking a closer look at how it'll survive this fiery journey.
Kiss the Sun: part one
02 Oct 2018
Contributed by Lukas
There's still a lot we don't know about the burning ball of gas that sustains life on Earth — but the Parker Solar Probe could help.
How to snap spaghetti: part two
25 Sep 2018
Contributed by Lukas
For some snapping spaghetti is sacrilege — but for others it’s science.
How to snap spaghetti: part one
18 Sep 2018
Contributed by Lukas
From spaghetti strands to trees to nanotubes — we need to know about the physics of rod-like structures.
Snooping microphones in your home?
11 Sep 2018
Contributed by Lukas
Many of us have microphones in our homes, attached to smart phones and personal assistant devices.
The faults in our bodies
04 Sep 2018
Contributed by Lukas
Our bodies are a marvel of sophisticated engineering — almost without exception.
Mapping DNA to save lives
28 Aug 2018
Contributed by Lukas
DNA can help us work out family trees, catch bad guys ... and now as a tool in emergency medicine.
The loneliest ATM
21 Aug 2018
Contributed by Lukas
Hint: the loneliest ATM is in a very, very cold place.
Do ships have an effect on sea level?
14 Aug 2018
Contributed by Lukas
Plunking yourself into a bath fairly full with water makes the water level rise — and overflow. What about ships and the ocean?
Goldfish memory
07 Aug 2018
Contributed by Lukas
The poor old goldfish has be slandered for far too long.
Are vitamins always good for you?
31 Jul 2018
Contributed by Lukas
Having more vitamins will make you healthier... right?
Wasted food
24 Jul 2018
Contributed by Lukas
Humans waste a huge amount of food every year.
Daddy long legs
17 Jul 2018
Contributed by Lukas
Fact or fiction: Daddy-long-legs are the most poisonous spiders in the world?
Anaesthetic bomb
10 Jul 2018
Contributed by Lukas
Could a villain or hero knock out a room full of enemies with a so-called 'anaesthetic bomb'?
Humans vs volcanoes
03 Jul 2018
Contributed by Lukas
Which would win*: humans or volcanoes?(*In a fight over carbon emissions)
The dunes of Pluto
26 Jun 2018
Contributed by Lukas
Yup, there are dunes on Pluto — and in other parts of our Solar System.
A1 vs A2 milk
19 Jun 2018
Contributed by Lukas
Is it worth paying more for A2 milk? What's the evidence that it might be better for you?
Cockroach milk
12 Jun 2018
Contributed by Lukas
Is "cockroach milk" the next "superfood"? Do cockroaches even make milk!?
Sightseeing from Orbit
05 Jun 2018
Contributed by Lukas
Can an astronaut really see the Great Wall of China from space?
Road trip to future travel
29 May 2018
Contributed by Lukas
130 years ago one woman went on the first road trip and made history. Is it time for another change in transportation?
Gunpowder vs sandwich
22 May 2018
Contributed by Lukas
Which do you think packs more punch — gunpowder or a sandwich?
Why are whales so big?
15 May 2018
Contributed by Lukas
Whales are the giants of the marine realm, and we've only recently discovered why they're so huge.
Trees have senses too
08 May 2018
Contributed by Lukas
How do trees face an incoming threat if they can't move, see, or hear?
The Wood Wide Web
01 May 2018
Contributed by Lukas
They may not be able to walk, but trees do talk — at least to each other.
Trees are made from air
24 Apr 2018
Contributed by Lukas
Trees are solid and dense. However, they're made from air. Wait, what?
Coal's hidden health cost
17 Apr 2018
Contributed by Lukas
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...
Speaking in tongues
10 Apr 2018
Contributed by Lukas
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....
The hummingbird: a furnace with feathers
03 Apr 2018
Contributed by Lukas
Hummingbirds have a suite of incredible and unique features. However, one of their most important traits can lead to an early death.
Aboriginal stories accurate
27 Mar 2018
Contributed by Lukas
For thousands of years, Australian Aboriginal people have accurately passed down information from one generation to the next using oral traditions.
Phone porting and identity theft
20 Mar 2018
Contributed by Lukas
Are you doing everything you can to stop thieves from stealing your identity and 'porting' your phone number?