Australasian Science: Australia's authority on science since 1938

Online Feature

Slip, slop, slurp! The surprising science of sunscreen, sand and ice cream


Ahh, summer at the beach! The sun on your face, sand between your toes, an ice cream in your hand.

Originally published in The Conversation.

Don't fret about buying the 'right' toy – any toy is educational if you support kids in their play

Getty Images

It’s that time of the year again, and besides the new COVID-era concerns about retail supply chains comes the age-old question: what’s the best educational toy to buy for the child (or grandchild) in your life?

Originally published in The Conversation.

What is the UV index? An expert explains what it means and how it's calculated


You’ve probably seen the UV index in the day’s weather forecast, and you know it tells you when you need to cover up and wear sunscreen.

Originally published in The Conversation.

1 millipede, 1,306 legs: we just discovered the world's leggiest animal hiding in Western Australia

Paul E. Marek, Bruno A. Buzatto, William A. Shear, Jackson C. Means, Dennis G. Black, Mark S.

Originally published in The Conversation.

30–50 feral hogs? Why Twitter memes are more positive (and much faster) than you might think

Have you ever checked your Twitter timeline and wondered what on Earth everyone was talking about? You step away for a few hours and suddenly your timeline is filled with people swapping memes about an event you’ve completely missed.

We studied these “memetic moments” to understand how memes emerge quickly and spontaneously in response to key social events. We found they move even faster than we had thought, sometimes emerging, spreading wildly, and beginning to dissolve in less than a day.

Originally published in The Conversation.

Fossil find reveals giant prehistoric 'thunder birds' were riddled with bone disease

Phoebe McInerney/@phoebyornis, Author provided

Until around 45,000 years ago, Australia was home to Genyorni

Originally published in The Conversation.

We counted 20 billion ticks of an extreme galactic clock to give Einstein's theory of gravity its toughest test yet

An artist's impression of the Double Pulsar system in which the two pulsars orbit each other every 2.5 hours and send out high-energy beams that sweep across the sky. Image credit: John Rowe Animations/CSIRO, The Conversation.

New technology lets police link DNA to appearance and ancestry – and it's coming to Australia

Helmut Straisil / Pixabay / James Hereward / Caitlin Curtis

The Australian Federal Police recently announced plans to use

Originally published in The Conversation.