the conversation
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Animal Clitorises Are More Varied Than Originally Thought
The sometimes astonishing sex lives of animals are well known, especially the huge range in penis structures, evolved to increase the number of offspring that males father. For example, ducks have corkscrew-shaped penises, and echidnas (also known as spiny anteaters) have a four-headed penis. But what about female genitalia? For hundreds of years, scientists assumed…
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Why Do Black Holes Twinkle?
Black holes are bizarre things, even by the standards of astronomers. Their mass is so great, it bends space around them so tightly that nothing can escape, even light itself. And yet, despite their famous blackness, some black holes are quite visible. The gas and stars these galactic vacuums devour are sucked into a glowing…
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These 5 Spectacular Impact Craters Highlight Earth’s Wild History
I think all craters are cool, I’m just going to start with that. I am very biased. Impact craters occur on every planetary body in our Solar System, no matter the size. By studying impact craters and the meteorites that cause them, we can learn about the processes and the geology that shape our entire…
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How You Can Maximise Your Solar System Savings and Slash Power Bills
Soaring electricity prices have made 15% of Aussies think about installing solar panels, a recent survey found. Another 6% were already weighing up the move, on top of the 28% who had panels. With costs falling, the average system size is growing rapidly. Households now typically install 8-10kW solar systems, often with a battery –…