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Mandatory Credit: Photo by Guy Bell/Shutterstock (14956387c) A Large Elephant Bird Egg, Madagascar, Pre-17th Century, Estimate GBP 30,000 - GBP 50,000 - part of the Science Fiction and Fantasy sale - Preview of highlights of Christie's Classic Week sales including items spanning antiquity to the 21st century. The auctions running until 12 December. Highlights of Christie's Classic Week sales., King Street, London, UK - 29 Nov 2024

Life

One of the largest eggs ever laid

A giant, intact elephant bird egg is up for sale by auction - and it would be equivalent to about 150 chickens eggs

Technology

Robotic rat uses AI to befriend real rodents

Health

‘Killer’ cells explain differences in immunity between the sexes

Technology

Implant made with living neurons connects to mouse brains

An artist's reconstruction of the toddler with his mother consuming mammoth meat

Humans

Toddler bones show mammoths were the main food of the first Americans

Humans

Mesopotamians felt happiness in their liver and anger in their thighs

Technology

DeepMind AI predicts weather more accurately than existing forecasts

The RAVEN robot, which can jump up and take flight like a bird

Technology

Flying robot leaps upwards and then takes to the air like a bird

Life

New forms of animals made by fusing several comb jellies together

Graham Lawton tests out Flowbio's S1 sweat wearable device

What Flowbio’s sweat tracking wearable revealed about my health

'Sweat is data': What Flowbio's sweat tracking wearable revealed about my health

Physics

These are the most mind-melting physics discoveries of 2024

Space

A small asteroid hit Earth and burned up over Siberia

Health

When, and where, did the covid-19 pandemic really begin?

Technology

Chatbot gives medical advice to hundreds of users in largest trial yet