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'Dancing ghosts': a new, deeper scan of the sky throws up surprises for astronomers

Jayanne English/EMU/Dark Energy Survey

Scanning through data fresh off the telescope, we saw two ghosts dancing deep in the cosmos. We had never seen anything like it before, and we had no idea what they were.


Originally published in The Conversation.

Giant bird-eating centipedes exist — and they're surprisingly important for their ecosystem

Giant bird-eating centipedes may sound like something out of a science-fiction film — but they’re not. On tiny Phillip Island, part of the South Pacific’s Norfolk Island group, the Phillip Island centipede (Cormocephalus coynei) population can kill and eat up to 3,700 seabird chicks each year.


Originally published in The Conversation.

I'm training to become Australia's first woman astronaut. Here's what it takes

Me (top, third from right) with others from the International Space University, in front of the Shuttle Atlantis at NASA's Kennedy Space Center. Author provided

I’m currently training to become Australia’s first woman astronaut.


Originally published in The Conversation.

Instagram's privacy updates for kids are positive. But plans for an under-13s app means profits still take precedence

Shutterstock

Facebook recently announced significant changes to Instagram for users aged under 16.


Originally published in The Conversation.

Muscles are important, but stiff tendons are the secret ingredient for high-speed performance

The fastest sprinter is the world right now is Lamont Marcell Jacobs, who won Olympic gold in the men’s 100-metre sprint with a time of 9.80 seconds. You might be surprised to learn that most of the explosive power displayed by Jacobs and other elite athletes doesn’t come from their muscles, or even from their minds – it comes from somewhere else.


Originally published in The Conversation.

What Olympic athletes can teach us about regulating our emotions and staying dedicated

Alessandra Tarantino/AP

Olympians are often seen as the epitome of human performance, with incredible physical and mental strength.


Originally published in The Conversation.

We must include more women in physics — it would help the whole of humanity

Prajval Shastri, Author provided

All around the world, there is an extreme gender imbalance in physics, in both academia and industry.


Originally published in The Conversation.

Is the truth out there? How the Harvard-based Galileo Project will search the skies for alien technology

ESO

Can we find alien technology? That is the ambitious goal of the Galileo Project, launched this week by Harvard astrophysicist Avi Loeb with substantial private financial backing.


Originally published in The Conversation.

Vaccine selfies may seem trivial, but they show people doing their civic duty — and probably encourage others too

Shutterstock

Have you been vaccinated yet? And if you have, are you one of a growing number of people who posted a selfie on social media afterwards?


Originally published in The Conversation.