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the conversation
1076 posts
Terminal lucidity: why do loved ones with dementia sometimes ‘come back’ before death?
Pexels/Andrea Piacquadio Yen Ying Lim, Monash University and Diny Thomson, Monash University Dementia is often described as “the…
West Antarctica’s ice sheet was smaller thousands of years ago – here’s why this matters today
Hugh Chittock/Antarctica New Zealand, CC BY-SA Dan Lowry, GNS Science and Holly Kyeore Han, NASA As the climate…
Why don’t female crickets chirp?
I feel a song coming on … Paul Starosta/Stone via Getty images Floyd W. Shockley, Smithsonian Institution Curious…
MeerKAT: the South African radio telescope that’s transformed our understanding of the cosmos
Some of the satellite dishes that make up the MeerKAT. South African Radio Astronomy Observatory (SARAO) Ed Elson,…
A Nasa rover has reached a promising place to search for fossilised life on Mars
NASA/JPL-Caltech Sean McMahon, The University of Edinburgh While we go about our daily lives on Earth, a nuclear-powered…
Dark matter: our new experiment aims to turn the ghostly substance into actual light
Galaxy cluster, left, with ring of dark matter visible, right. NASA Andrea Gallo Rosso, Stockholm University A ghost…
The weather experiment that really flooded Dubai
Jack Marley, The Conversation A reckless experiment in Earth’s atmosphere caused a desert metropolis to flood. That was…
Our laser technique can tell apart elephant and mammoth ivory – here’s how it may disrupt the ivory trade
Johann Mader/Shutterstock Rebecca Shepherd, University of Bristol In recent years, the global trade in elephant ivory has faced…
The planetary orbit in Netflix’s ‘3 Body Problem’ is random and chaotic, but could it exist?
The three-body problem is a familiar puzzle in astrophysics. (Shutterstock) Peter Watson, Carleton University Note: The following article…
More climate-warming methane leaks into the atmosphere than ever gets reported – here’s how satellites can find the leaks and avoid wasting a valuable resource
Riley Duren, University of Arizona Far more methane, a potent greenhouse gas, is being released from landfills and…