Paul Ehrlich has released a memoir. It covers his decades of science and activism. There have been some improvements. But mostly his concerns are even stronger.

I00 million years ago, there were more species of monotreme, the egg-laying mammals such as today’s platypus and echidna at Lightning Ridge in northern NSW than anywhere else on earth, past or present.

David Lindenmayer reveals the ugly truth and what’s really happening in our magnificent tall forests.

Ships which hitch a ride on small ocean currents could make big savings on fuel and reduce emissions.

There are no bone fragments or similar clues. But the structure of cells of ancient plants captured in charcoal is revealing the diet and lifestyle of the first Australians.

Large scale energy storage will allow users to rely on renewable energy alone. The US Department of Energy is funding research to make it a happen.

Scientists fear research will be hit in proposed changes at the South Australian Museum

Two inspirational books for younger readers show an intruiging world and the thrill of chasing a dream.

Friendship led ancient humans to cooperate and gain an edge over predators. Compassion is seen among 25 primates and other animals. Today we explore these qualities and meet scientists investigating the role of friendship in our evolution and our lives in the modern world.

Today we meet the people at the forefront of studying alpine plants - including how trees and plants survive in deep snow and ferocious winds. We visit the mushroom lab to discovery why fungi are essential to life on earth and find out what seed collection in the Colorado mountains is teaching us how to adapt in a changing climate. And while we're talking plants - Professor Peter Bernhardt of Missouri describes the thrill when the seventh millionth species was revealed and listed at his own formidable herbarium. All that, plus meeting the winner of the 2023 Jak Kelly Award for his fascinating research on how stars are tearing apart planets - could this have been the history of our own planet Earth?