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The experience “this happened to me” is stronger than “this happened” in memory formation. epicharmus/flickr

What do your earliest childhood memories say about you?

We sometimes see memory as a video camera, recording our lives accurately and without bias – but this is a myth. Instead, our childhood memories are intricately shaped by our family and culture.
A sample of the Eucalyptus giunnii plant, sometimes called a cider gum for its ability to produce an alcoholic drink without human intervention. Shutterstock/Modest Things

Alcohol brewed from trees and other fermented drinks in Australia’s Indigenous history

Sap from one tree collected in hollows in the bark, and natural yeast fermented the liquid to an alcoholic drink used by Aboriginal people. Europeans called the tree a cider gum because of the taste.
Necklaces and earrings in traditional Kenyan cultures denote messages about marriage and childbearing. from www.shutterstock.com

How ‘bling’ makes us human

Why is jewellery so important to the story of human evolution? Because it provides a public message – even to people we don’t know.
The Department of Home Affairs argues this new framework will not compel communications providers to build systemic weaknesses or vulnerabilities into their systems. Mick Tsikas/AAP

The devil is in the detail of government bill to enable access to communications data

The broad and ill-defined new powers outlined in the government’s new telecommunications bill are neither necessary nor proportionate – and contain significant scope for abuse.
Hello little ones! Juvenile giant Australian cuttlefish developing under rocks in the waters of South Australia. Fred Bavendam

Why we’re watching the giant Australian cuttlefish

In May-August each year, giant Australian cuttlefish gather and mate over a narrow stretch of rocky coastline in South Australia. At their peak you see literally one cuttlefish per square metre.
Humans would have first seen Kata Tjuta very shortly after arriving in Australia 50,000 years ago. Alan Cooper

When did Aboriginal people first arrive in Australia?

Aboriginal Australians have effectively been on their country for as long as modern human populations have been outside of Africa. We have a limit as to how long ago that was: around 50,000 years.