Science News
Sharks in an Italian aquarium keep having 'virgin birth' after years without males
Live Science - 6 Aug 2024 15:52
Two endangered female sharks found to be reproducing asexually in the absence of males in what appears to be a vital survival mechanism amid declining male populations.
Rising methane emissions from wetlands may undermine climate targets
New Scientist - 6 Aug 2024 00:02
Countries are starting to take steps to cut human sources of methane emissions, but climate change is increasing emissions of the potent greenhouse gas from wetlands
Treat or Train? Orexin Helps Brain Decide
Neuroscience News - 6 Aug 2024 23:28
Researchers have identified orexin, a brain chemical, as crucial in deciding between exercising and indulging in treats. In experiments with mice, those with an intact orexin system were more inclined to exercise rather ...
Social Drinking Activates Dopamine and Elevates Mood
Neuroscience News - 6 Aug 2024 22:48
New research reveals why alcohol makes people feel happier in social settings but not when drinking alone. Using fruit flies, scientists discovered that dopamine in the brain plays a key role in amplifying the euphoric e...
Bitcoin Miners Flush With Chips Are Pivoting to AI in Search of New Riches
Singularity Hub - 6 Aug 2024 22:30
As the bitcoin gold rush dries up, crypto miners are finding it hard to make ends meet. But for many there’s a silver lining--the facilities they’ve set up are perfect for Silicon Valley's latest obsession with artif...
Dopamine Treatment Reduces Alzheimer's Plaques
Neuroscience News - 6 Aug 2024 22:26
Researchers uncovered a promising approach to treating Alzheimer's disease by using dopamine to enhance brain enzyme activity that reduces harmful plaques. Conducted on mice, the study shows that dopamine increases nepri...
Loneliness Linked to Nightmares
Neuroscience News - 6 Aug 2024 22:11
Research reveals that loneliness is linked to an increased frequency and intensity of nightmares, highlighting the connection between social isolation and sleep disturbances. The study suggests that stress, rumination, a...
Strange planets could be forming inside dying stars
New Scientist - 6 Aug 2024 21:58
A planet orbiting extremely close to a white dwarf may have formed inside its star - this could be the origin of some of the most promising worlds beyond our solar system to search for life
Endometriosis may quadruple risk of ovarian cancer, study finds
Live Science - 6 Aug 2024 21:40
Women with severe endometriosis are 10 times more likely to get ovarian cancer, while people with endometriosis of any severity are four times as likely, a study suggests. But patients shouldn't panic.
Huge cosmological mystery could be solved by wormholes, new study argues
Live Science - 6 Aug 2024 19:55
The universe is expanding at an ever accelerating rate -- and tiny wormholes that bore through the fabric of space-time might be to blame, a new study proposes.
'A king will die': 4,000-year-old lunar eclipse omen tablets finally deciphered
Live Science - 6 Aug 2024 19:44
Tablets added to the British Museum's collection many decades ago have finally been deciphered.
Bushnell PowerView 2 10x42 binoculars now cheaper than Prime Day
Live Science - 6 Aug 2024 18:39
Get a closer look with this huge saving on the Bushnell Powerview 2 10x42 binoculars -- now down to their lowest-ever price $40.97 at Amazon!
China ready to launch 1st satellite in constellation that will challenge Elon Musk's Starlink
Live Science - 6 Aug 2024 18:30
China plans to launch more than 100 satellites for its new "constellation" this year and thousands more by the end of the decade.
Hobbit hominins from Indonesia may have had even smaller ancestors
New Scientist - 6 Aug 2024 18:00
An arm bone from an ancient human that lived 700,000 years ago on the island of Flores is the smallest ever found from an adult hominin, adding a new piece to the puzzle of Homo floresiensis
Inside NASA's ambitious plan to bring the ISS crashing back to Earth
New Scientist - 6 Aug 2024 18:00
The International Space Station will burn up and splash down into the Pacific sometime around 2030. What could possibly go wrong? And will we ever see anything like the ISS again?
Researchers dig deeper into stability challenges of nuclear fusion--with mayonnaise
Phys.org - 6 Aug 2024 17:53
Mayonnaise continues to help researchers better understand the physics behind nuclear fusion.
Archaic human 'hobbits' were even shorter than we thought, 700,000-year-old teeth and bone reveal
Live Science - 6 Aug 2024 17:01
A new analysis of teeth and a bone found on an Indonesian island reveal that "hobbits" were more than 2 inches shorter than we thought.
Could we take the entire solar system on a voyage through space?
New Scientist - 6 Aug 2024 16:32
To transport our planet across the universe, we would need to bring the whole solar system to sustain life on Earth - on this episode of Dead Planets Society, our hosts contemplate how to shepherd all that baggage on thi...
Vertically stacked skin-like active-matrix display with ultrahigh aperture ratio
Phys.org - 6 Aug 2024 16:11
Skin-like displays are critical components of information output in next-generation portable and wearable electronics. Currently, all such displays are fabricated on glass or thick plastic substrates, limiting the inhere...
Calculating faster: Coupling AI with fundamental physics
Phys.org - 6 Aug 2024 15:57
Atoms are complex quantum systems consisting of a positively charged nucleus surrounded by negatively charged electrons. When multiple atoms come together to form a molecule, the electrons of the constituent atoms intera...
A 'measure' advance for ultrashort laser light
Phys.org - 6 Aug 2024 15:31
The Tata Institute of Fundamental Research, Mumbai has pioneered a method to measure ultrahigh power, ultrashort laser pulses in a comprehensive manner. The paper reporting this has been published in the journal Optica.
Heating for fusion: Why toast plasma when you can microwave it
Phys.org - 6 Aug 2024 15:30
Some believe the future of fusion in the U.S. lies in compact, spherical fusion vessels. A smaller tokamak, it is thought, could offer a more economical fusion option. The trick is squeezing everything into a small space...