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Curious Kids: is water blue or is it just reflecting off the sky?

The sea is blue because of the way water absorbs light, the way particles in the water scatter light, and also because some of the blue light from the sky is reflected. The Conversation.

Observing the invisible: the long journey to the first image of a black hole

The first direct visual evidence of the supermassive black hole in the centre of galaxy Messier 87 and its shadow. EHT Collaboration

The first picture of a supermassive black hole at the centre of a galaxy shows how we have,

Originally published in The Conversation.

How much evidence is enough to declare a new species of human from a Philippines cave site?

Callao Cave on Luzon Island in The Philippines, where the fossils of _Homo luzonensis_ were discovered.

Originally published in The Conversation.

Labor will prioritise an NBN 'digital inclusion drive' – here's what it should focus on

People with poor broadband services spend more time in queues at the bank and for other services that should easily be accessible online.

Originally published in The Conversation.

We've found a quicker way to multiply really big numbers

If you thought multiplication tables at school were hard, imagine multiplying numbers with billions of digits. Shutterstock/Nina Buday

Multiplication of two numbers is easy, right?

Originally published in The Conversation.

Squid team finds high species diversity off Kermadec Islands, part of stalled marine reserve proposal

This squid belongs to one of the families (Histioteuthidae) that is highly diverse but was not previously recorded from the Kermadecs. Richard Young, CC BY-SA

Squids and octopuses could be consid

Originally published in The Conversation.

How indigenous expertise improves science: the curious case of shy lizards and deadly cane toads

The Balanggarra Rangers are land management representatives of the Balanggarra people, the indigenous traditional owners of the East Kimberley.

Originally published in The Conversation.

Control, cost and convenience determine how Australians use the technology in their homes

Who's the boss in a smart home? Shutterstock/Tracy ben

We have access to plenty of technology that can serve us by automating more of our daily lives, doing everything from adjusting the temperature of our homes t

Originally published in The Conversation.

All female mammals have a clitoris – we're starting to work out what that means for their sex lives

New research shows dolphins have a large clitoris that is similar to the human organ. from

Female enjoyment of sex is typically associated with the human species.

Originally published in The Conversation.

Edible seaweed can be used to grow blood vessels in the body

Fluorescence microscopy image of the newly formed blood vessels after injection of our seaweed-derived hydrogel in a muscle.

Originally published in The Conversation.