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Ancient algal defenses against UV may have helped plants conquer land
Ancient algal defenses against UV may have helped plants conquer land
A new study sheds light on how the ancestors of modern land plants survived one of the most challenging aspects of life outside water: exposure to harmful ultraviolet (UV) radiation. By examining a microscopic alga closely related to the earliest land plants, researchers have unc
The solar gravitational lens could map white dwarfs and black holes
The solar gravitational lens could map white dwarfs and black holes
It feels like every few months we get to report on another academic paper singing the praises of the Solar Gravitational Lens (SGL). Partly, this is due to Dr. Slava Turyshev's astounding productivity in pumping out academic articles, but partly because such a groundbreaking miss
The oldest evidence of mourning rituals reveals Paleolithic communities grieved like we do
The oldest evidence of mourning rituals reveals Paleolithic communities grieved like we do
Roughly 27,500 years ago, a 15-year-old boy was brutally mauled by a bear in Arene Candide in what is now Liguria, Italy. The attack tore through his jaw, neck and left shoulder. He was dying, but he was not alone in his final moments.
Country diary: There’s no blackbird song like the one on my street | Josie George
Country diary: There’s no blackbird song like the one on my street | Josie George
Stoke-on-Trent, Staffordshire: With summer’s great silence coming, we must enjoy the birdsong while we can – as I have done with my local conifer croonerI have two summer earworms right now. The first is O Sole Mio, the jingle of our local ice-cream van, the second is a particula
This tiny organism contracts 200 times faster than we can blink—here's how
This tiny organism contracts 200 times faster than we can blink—here's how
A tiny, aquatic, single-celled organism can contract to one-quarter of its body length in less than 5 milliseconds—hundreds of times faster than a human can blink. Researchers have discovered that the organism, Spirostomum ambiguum, uses a calcium-activated protein network in a f
Why people worldwide see some mental abilities as inborn and others as learned
Why people worldwide see some mental abilities as inborn and others as learned
When does a child begin to reason? When do they develop self-control? Are some mental abilities present from birth, while others are acquired through experience? Questions like these have fascinated philosophers, educators and scientists for centuries. Yet surprisingly little is
Cultural values may decide when comforting others feels like real support
When someone you love is upset, your first instinct may be to comfort them. To reassure them. To make them feel better. But what if that instinct isn't universal?
First-of-a-kind laser spring opens up new avenues for plasma control
First-of-a-kind laser spring opens up new avenues for plasma control
When a high-intensity laser interacts with plasma, the charged particles typically oscillate back and forth like waves on the ocean. But what if the laser itself could twist like a whirlpool? Researchers have now demonstrated a rotating, spring-shaped laser pulse, opening new pos
Foto: Landiva  Weber / Pexels
Lipids and DNA nanostructures independently control artificial cell mechanics
What if the mechanical properties of a cell could be programmed like the components of a machine? Researchers at the University of Tokyo have discovered that two fundamental modes of cellular deformation—stretching and bending—can be independently controlled using different molec
Australia’s next summer isn’t guaranteed to be the hottest yet – but it’s looking likely |
Australia’s next summer isn’t guaranteed to be the hottest yet – but it’s looking likely |
A warm start to winter is part of a global trend of extreme and unseasonable temperatures caused by global heatingMany parts of Australia have already broken early winter maximum and minimum temperature records.In southern Australia, Sydney and Melbourne had their warmest-ever st
Why scientists fear we're missing evidence of extraterrestrial life
Why scientists fear we're missing evidence of extraterrestrial life
Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden biosignatures, limitations in detection technology, and assumptions about what life should look like can all create dangerous false negatives. The research
Rice grown on the moon? Air-to-fertilizer technology helps rice grow in lunar soil simulan
Securing sustainable food supplies is a key challenge for long-term human exploration and potential habitation of the moon. The moon's soil contains no organic material, and essential plant nitrogen sources like ammonia and nitrate are virtually nonexistent.