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In contrast to common perceptions, Antarctic seafloor communities are highly diverse. This image shows a deep East Antarctic reef with plenty of corals, sponges and brittlestars. Can you spot the octopus? Australian Antarctic Division

Antarctic seas host a surprising mix of lifeforms – and now we can map them

Life on the Antarctic seafloor is surprisingly diverse – and half of the species live nowhere else on Earth. Now scientists can accurately map this unique biodiversity.
Blue-sky thinking? It’s hard to assess the evidence base for the predicted outcomes of the National Energy Guarantee. AAP Image/Dan Himbrechts

Could the NEG bring down power prices? It’s hard to be confident that it will

The final design of the National Energy Guarantee promises that the policy will drive down power prices. But there is precious little evidence for this assertion.
‘Clotted’ by Eli Moore reveals microscopic details of red blood cells in a clot, and was the winning entry in the 2018 UniSA Images of Research competition. UniSA

Seven beautiful images that share new stories of science

Images taken out of a research context and shared with the public offer a way to connect scientists with the broader world – and vice versa. These photos are stunning examples.
Joy Rowley’s 2011 murder has raised the question of whether a stand-alone offence of non-fatal strangulation would prevent the escalation of family violence. Supplied: Domestic Violence Victoria

Victorian government should be wary of introducing a stand-alone offence of non-fatal strangulation

A stand-alone offence of non-fatal strangulation would be difficult to prove and detract from the ways in which family violence victims are being failed in other policy areas.
Statelessness in Thailand is a complex issue: the stateless population includes members of northern hill tribes, children of migrants who were born in Thailand and refugees for bordering countries. from www.shutterstock.com

Blood, soil and paper: Thailand’s mission to reduce statelessness

Last month’s epic cave rescue has drawn attention to the issue of statelessness in Thailand - a crisis the country is trying to resolve urgently, especially for stateless children.
Rampasasa people are from Waemulu village, Flores – near Liang Bua where ‘the Hobbit’ fossils were discovered. Dean Falk, Florida State University

We know why short-statured people of Flores became small – but for the extinct ‘Hobbit’ it’s not so clear

Modern day people of short stature became physically small due to the effects of living on a small island or forested environment. But we’re not sure why “the Hobbit” of Flores was so small.
Detail from Julie Shiels’ 1954 poster White on black: The annihilation of Aboriginal people and their culture cannot be separated from the destruction of nature. State Library of Victoria

Friday essay: the ‘great Australian silence’ 50 years on

It is 50 years since anthropologist W.E.H. Stanner gave the Boyer Lectures in which he coined the phrase ‘the great Australian silence’. How far have we come since?
The United Nations says the number of forcibly displaced persons around the world has risen to 68.5 million. Shutterstock

Australia and other countries must prioritise humanity in dealing with displaced people and migration

States’ approaches to challenges of forced displacement and migration often fail to acknowledge a sometimes competing, but always essential, consideration – the basic dignity of the human person.
Single-use biodegradable plastics include claims that they break down quickly into benign end products, but the reality is more complex. from www.shutterstock.com

Why compostable plastics may be no better for the environment

New types of biodegradable or compostable plastic products seem to offer an alternative to conventional plastics. But they may be no better for the environment.