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We could see the glint off giant cities on alien worlds, suggests paper

How large would an extraterrestrial city have to be for current telescopes to see it? Would it need to be a planet-sized metropolis like Star Wars' Coruscant? Or could we see an alien equivalent of Earth's own largest urban areas, like New York City.....»»

Category: topSource:  physorgJun 19th, 2023

Nuking a huge asteroid could save Earth, lab experiment suggests

Humanity could use a nuclear bomb to deflect a massive, life-threatening asteroid hurtling towards Earth in the future, according to scientists who tested the theory in the laboratory by blasting X-rays at a marble-sized "mock asteroid"......»»

Category: topSource:  physorgRelated News3 hr. 59 min. ago

Researchers name beetle after National Geographic photographer

A new beetle species has been named to honor a fellow Husker, bridging the worlds of academia and wildlife conservation......»»

Category: topSource:  physorgRelated News3 hr. 59 min. ago

Murine study suggests cosmic radiation in outer space may affect long-term cognition

During missions into outer space, galactic cosmic radiation (GCR) will penetrate current spacecraft shielding and thus pose a significant risk to human health......»»

Category: topSource:  physorgRelated News3 hr. 59 min. ago

Current economic system fails examination by sustainability experts

Our current economic system is based on poor science and should not be used to guide government decision-making when faced with threats to existence like climate change. That's the conclusion of a new paper led by UNSW Sydney sustainability scientist.....»»

Category: topSource:  physorgRelated News3 hr. 59 min. ago

Cricket study suggests mating filter narrows when males are trying to save energy

A trio of biologists at the University of Minnesota has found that when male crickets need to save energy, they narrow their mating filter, to focus more exclusively on females......»»

Category: topSource:  physorgRelated News6 hr. 31 min. ago

Cloud cover and urban structures drastically reduce sunlight in cities

Sunlight plays a crucial role in public health, affecting vitamin D synthesis and psychological well-being. Inadequate exposure to sunlight is associated with various adverse health outcomes, such as cardiovascular diseases, metabolic syndrome, depre.....»»

Category: topSource:  physorgRelated News6 hr. 31 min. ago

Medicinal tree successfully grown from 1,000-year-old seed found in cave

An international team of botanists, agriculturists and historians has successfully grown a mature tree from an ancient seed found in a cave in Israel. In their paper, published in the journal Communications Biology, the group describes where the seed.....»»

Category: topSource:  physorgRelated News6 hr. 31 min. ago

Finnish zoo to return pandas to China early

Finland will return two giant pandas on loan from China more than eight years ahead of schedule because of financial problems at the zoo where they are housed, its chair told AFP on Wednesday......»»

Category: topSource:  physorgRelated News6 hr. 31 min. ago

Extreme botany: Paramotorists soar across remote Peru desert to collect threatened plants

In an innovative paper published today in the journal Plants, People, Planet, scientists from the Royal Botanic Gardens, Kew, Huarango Nature and paramotorists from Forest Air, highlight the exciting potential of paramotoring as a means of aiding res.....»»

Category: topSource:  theglobeandmailRelated News21 hr. 31 min. ago

The "publish or perish" mentality is fueling research paper retractions—and undermining science

When scientists make important discoveries, both big and small, they typically publish their findings in scientific journals for others to read. This sharing of knowledge helps to advance science: it can, in turn, lead to more important discoveries......»»

Category: topSource:  physorgRelated NewsSep 24th, 2024

Obama"s 2012 reelection tied to better mental health in educated Black men, study suggests

Following Barack Obama's reelection as U.S. president in 2012, the mental health of college-educated Black men improved significantly, while those who didn't attend college reported worse mental health, according to new research from Rice University.....»»

Category: topSource:  physorgRelated NewsSep 24th, 2024

This forgotten Ridley Scott action thriller is better than you remember (and no, it’s not Blade Runner)

From Alien and Blade Runner to 2024's Gladiator II, Ridley Scott has directed some great movies. This 1989 film isn't one of them, but it's still worth a look......»»

Category: topSource:  digitaltrendsRelated NewsSep 24th, 2024

Graphene at 20: Still no sign of the promised space elevator, but the material is quietly changing the world

Twenty years ago this October, two physicists at the University of Manchester, Andre Geim and Konstantin Novoselov, published a groundbreaking paper on the "electric field effect in atomically thin carbon films." Their work described the extraordinar.....»»

Category: topSource:  marketingvoxRelated NewsSep 23rd, 2024

Enigmatic archaeological site in Madagascar may have been built by people with Zoroastrian origins, research suggests

At the turn of the first millennium AD, an unknown group of people lived in the inland Isalo massif of southern Madagascar. Here, they built vast terraces and carved large stone chambers and small hollow rock niches. The architecture is unlike anythi.....»»

Category: topSource:  physorgRelated NewsSep 23rd, 2024

Proof-of-concept study uses X-rays to target mock-up asteroids in a vacuum

An X-ray pulse may be able to vaporize the surface of an asteroid and change its trajectory, according to a proof-of-concept paper published in Nature Physics. A laboratory experiment that mimics the deflection of an asteroid model using this techniq.....»»

Category: topSource:  physorgRelated NewsSep 23rd, 2024

Educators and parents reveal culture of fear, censorship, and loss of learning opportunities in wake of FL policies

How can a teacher discuss Jim Crow laws without breaking state law? Should a librarian stop ordering books with LGBTQ+ characters? A new white paper by UC San Diego and NYU researchers reveals the experiences of K-12 educators and parents in Florida.....»»

Category: topSource:  physorgRelated NewsSep 23rd, 2024

Could stars hotter than the sun still support life?

Although most potentially habitable worlds orbit red dwarf stars, we know larger and brighter stars can harbor life. One yellow dwarf star, for example, is known to have a planet teaming with life, perhaps even intelligent life. But how large and bri.....»»

Category: topSource:  physorgRelated NewsSep 23rd, 2024

The Samsung Galaxy S25 may not get the camera upgrade you were hoping for

The Samsung Galaxy S25 is shaping up to being a disappointment. Another rumor suggests certain upgrades aren't going to happen this time......»»

Category: topSource:  digitaltrendsRelated NewsSep 23rd, 2024

This bizarre Franz Kafka game might just be a perfect fit for VR

Metamorphosis VR, an adaptation of Franz Kafka's classic novel, is a strange project on paper, but it's a surprisingly smart fit for VR......»»

Category: topSource:  digitaltrendsRelated NewsSep 23rd, 2024

High pay seen as sign of competence, study suggests

When given the choice, people prefer to collaborate on work projects with higher-paid colleagues, but they want to hire subordinates with a lower pay history than theirs, according to research published in the journal American Psychologist......»»

Category: topSource:  marketingvoxRelated NewsSep 23rd, 2024