Science and Technology   Sat 29 Feb 04:06 GMT

Freeman Dyson, famed physicist and creative force, dies at 96

Freeman Dyson, famed physicist and creative force, dies at 96

The UK scientist tackled quantum physics and nuclear politics and came up with the idea of Dyson spheres that span an entire solar system.

cnet.com - 17 minutes ago

Why Mars Needs Leap Days, Too

Why Mars Needs Leap Days, Too

Alien civilizations on other worlds would need much more awkward contortions to their calendars than we make here on Earth.

nytimes.com - 43 minutes ago

Massive exoplanet discovered just 90 light-years from Earth

Massive exoplanet discovered just 90 light-years from Earth

The presence of an enormous, Neptune-size exoplanet 90 light-years from Earth has been confirmed after it was first spotted in 2019. The study, published in The Astronomical Journal, confirms the e…

nypost.com - an hour ago

Supermassive black hole causes biggest explosion ever spotted in the universe

Supermassive black hole causes biggest explosion ever spotted in the universe

The eruption was so intense it punched a crater the size of fifteen Milky Way galaxies into a part of space hundreds of millions of light-years away.

CBS News - an hour ago

Physicists model the supernovae that result from pulsating supergiants like Betelgeuse

Physicists model the supernovae that result from pulsating supergiants like Betelgeuse

Betelgeuse has been the center of significant media attention lately. The red supergiant is nearing the end of its life, and when a star over 10 times the mass of the Sun dies, it goes out in spectacular fashion. With its brightness recently dipping to the lo…

phys.org - 2 hours ago

'Black in Space' looks at final frontier of civil rights

'Black in Space' looks at final frontier of civil rights

"Black in Space" "Ronald McNair" looks at final "frontier" of "civil rights"

NBC News - 2 hours ago

Hidden island uncovered in Antarctica after melting glaciers reveal its shore

Hidden island uncovered in Antarctica after melting glaciers reveal its shore

An Antarctic island that was once hidden has been uncovered after melting glaciers caused by high temperatures revealed its shore.

Fox News - 2 hours ago

Coinbase Is Testing Clearview's Controversial Facial Recognition TechnologyCoinDesk

Coinbase Is Testing Clearview's Controversial Facial Recognition TechnologyCoinDesk

A Coinbase spokesperson said customer data had not been used in its trial of the tech.

coindesk.com - 3 hours ago

HKIA welcomes air mail center funding

HKIA welcomes air mail center funding

HKIA welcomes air mail center funding - read more about this with Parcel and Postal Technology International

parcelandpostaltechnologyinternational.com - 3 hours ago

The exploration of the Moon and Mars continues apace

The exploration of the Moon and Mars continues apace

Two craft probe beneath these bodies’ surfaces

economist.com - 4 hours ago

Boeing's Starliner spacecraft is built to carry astronauts, but safety concerns loom

Boeing's Starliner spacecraft is built to carry astronauts, but safety concerns loom

Boeing's Starliner spacecraft, which was slated to begin flying NASA astronauts to the International Space Station this year, faces new questions about safety after a botched test flight in December.

CNN - 4 hours ago

SpaceX’s Falcon Heavy is getting a giant cloak for key military missions

SpaceX’s Falcon Heavy is getting a giant cloak for key military missions

Elon Musk's giant rocket is getting a bizarrely-shaped tower.

inverse.com - 4 hours ago

Hunter-gatherer networks accelerated human evolution

Hunter-gatherer networks accelerated human evolution

Humans began developing a complex culture as early as the Stone Age. This development was brought about by social interactions between various groups of hunters and gatherers, a UZH study has now confirmed. The researchers mapped the social networks of presen…

phys.org - 5 hours ago

US military aims to launch nuclear moon rocket before China does

US military aims to launch nuclear moon rocket before China does

The US military wants to place a vast array of satellites between Earth and the moon using an experimental ‘nuclear thermal propulsion’ engine.

siliconrepublic.com - 5 hours ago

Kaboom! Astronomers detect the universe's biggest explosion since the Big Bang

Kaboom! Astronomers detect the universe's biggest explosion since the Big Bang

The explosion took place at the center of a galaxy that's about 390 million light years from Earth.

USA Today - 5 hours ago

Freeman Dyson, Visionary Technologist, Is Dead at 96

Freeman Dyson, Visionary Technologist, Is Dead at 96

After an early breakthrough on light and matter, he became a writer who challenged climate science and pondered space exploration and nuclear warfare.

nytimes.com - 6 hours ago

Biology Textbooks May Be Wrong: Newly Discovered Driver of Plant Cell Growth Contradicts Current Theories

Biology Textbooks May Be Wrong: Newly Discovered Driver of Plant Cell Growth Contradicts Current Theories

The shape and growth of plant cells may not rely on increased fluidic pressure, or turgor, inside the cell as previously believed. Rather, a new study shows the swelling of tiny pectin filaments within the cell wall propels these morphological changes. If tru…

scitechdaily.com - 6 hours ago

Melting ice in Antarctica reveals new uncharted island

Melting ice in Antarctica reveals new uncharted island

Researchers are calling it Sif Island, after a Norse goddess of the Earth.

livescience.com - 6 hours ago

Physicist And Iconoclastic Thinker Freeman Dyson Dies At 96

Physicist And Iconoclastic Thinker Freeman Dyson Dies At 96

Dyson's ideas often occupied a space between science fiction and science. He helped design, among other things, a nuclear reactor that could be safely operated "even in the hands of an idiot."

npr.org - 6 hours ago

An iron-clad asteroid

An iron-clad asteroid

Itokawa would normally be a fairly average near-Earth asteroid—a rocky mass measuring only a few hundred metres in diameter, which orbits the sun amid countless other celestial bodies and repeatedly crosses the orbit of the Earth. But there is one fact that s…

phys.org - 6 hours ago

Eureka! Physicists accidentally stumble upon mind-blowing new material that could upend physics as we know it

Eureka! Physicists accidentally stumble upon mind-blowing new material that could upend physics as we know it

American physicists believe that they have discovered a strange state of matter entirely new to science – and they did it all completely by accident.

RT - 7 hours ago

NASA Curiosity rover just found a shortcut up Mars mountain

NASA Curiosity rover just found a shortcut up Mars mountain

Climb, you plucky rover, climb!

cnet.com - 7 hours ago

SUWA: A hyperstable artificial protein that does not denature in high temperatures above 100C

SUWA: A hyperstable artificial protein that does not denature in high temperatures above 100C

Proteins denature, or "cook" in heat, irreversibly changing their structure, like how an egg boils or a slab of sirloin turns to steak. This prevents proteins from being used in applications where they would need to withstand heat. Scientists have had high ex…

phys.org - 8 hours ago

Live Science podcast "Life's Little Mysteries" special report: Coronavirus

Live Science podcast "Life's Little Mysteries" special report: Coronavirus

Find out the latest news about the new coronavirus and COVID-19.

livescience.com - 8 hours ago

China bans cash rewards for publishing papers

China bans cash rewards for publishing papers

New policy tackles perverse incentives that drive ‘publish or perish’ culture and might be encouraging questionable research practices.

nature.com - 8 hours ago

Downplaying product greenness could increase sales

Downplaying product greenness could increase sales

New research suggests that companies looking to promote their latest environmentally friendly product should downplay its green credentials if they want consumers to buy it.

phys.org - 8 hours ago

Venus and the crescent Moon will be side-by-side tonight – here’s when you can see them

Venus and the crescent Moon will be side-by-side tonight – here’s when you can see them

It’s been a relatively quiet start to 2020 as far as skywatching goes. Sure, we’ve had some full Moons and a few other treats here and there, but nothing particularly awesome… unt…

bgr.com - 9 hours ago

Physicists May Have Discovered a New State of Matter – By Accident

Physicists May Have Discovered a New State of Matter – By Accident

Humans have been studying electric charge for thousands of years, and the results have shaped modern civilization. Our daily lives depend on electric lighting, smartphones, cars, and computers, in ways that the first individuals to take note of a static shock…

scitechdaily.com - 9 hours ago

NASA provides first evidence of “marsquakes”

NASA provides first evidence of “marsquakes”

Planetary scientists have revealed some of the Red Planet's subterranean secrets.

bigthink.com - 10 hours ago

Why is there any matter in the universe at all? New study sheds light

Why is there any matter in the universe at all? New study sheds light

Scientists at the University of Sussex have measured a property of the neutron—a fundamental particle in the universe—more precisely than ever before. Their research is part of an investigation into why there is matter left over in the universe, that is, why …

phys.org - 11 hours ago

Why do we need leap years?

Why do we need leap years?

If there were no leap years, eventually February would be a summer month for the Northern Hemisphere. Read more.

earthsky.org - 11 hours ago

This Parasite Doesn’t Need Oxygen to Survive

This Parasite Doesn’t Need Oxygen to Survive

But that’s not the weirdest thing about this jellyfish cousin that turns up in the muscles of salmon.

nytimes.com - 13 hours ago

Astronomy student discovers 17 new planets, including Earth-sized world

Astronomy student discovers 17 new planets, including Earth-sized world

University of British Columbia astronomy student Michelle Kunimoto has discovered 17 new planets, including a potentially habitable, Earth-sized world, by combing through data gathered by NASA's Kepler mission.

eurekalert.org - 17 hours ago

Blast similar to ‘big bang’ detected far, far away, study says

Blast similar to ‘big bang’ detected far, far away, study says

You’ve heard of the “big bang” theory regarding the start of the universe? Scientists say they recently detected a similar deep-space explosion, up to five times more powerful than any such blast observed previously.

Fox News - 19 hours ago

Possible "mini-moon" orbiting Earth spotted by Tucson astronomers

Possible "mini-moon" orbiting Earth spotted by Tucson astronomers

Tucson astronomers have discovered a possible "mini-moon" orbiting Earth!

abc15.com - 20 hours ago

Brightly burning meteor lights the sky BLUE as it streaks across the heavens (VIDEOS)

Brightly burning meteor lights the sky BLUE as it streaks across the heavens (VIDEOS)

Early risers in Arizona were treated to some celestial fireworks earlier this week when a suspected meteor lit up the entire sky, and in spectacular fashion, giving a brief, blue hue to the morning.

RT - 20 hours ago

Fireballs and meteorites: Celestial bodies make their appearance in Arizona skies

Fireballs and meteorites: Celestial bodies make their appearance in Arizona skies

NASA and the American Meteor Society said recent fireball sightings were meteors not related to any meteor showers, and are typical of early spring.

azcentral.com - a day ago

To 11 million Brazilians, the Earth is flat

To 11 million Brazilians, the Earth is flat

Brazil is a country currently swept up in the post-truth era and the anti-intellectual, climate-change-skeptic worldview embodied by far-right President Jair Bolsonaro

rappler.com - a day ago

China’s rover uncovers mysteries hiding below the surface of the far side of the Moon

China’s rover uncovers mysteries hiding below the surface of the far side of the Moon

China’s ambitious mission to the far side of the Moon has already returned stunning results. The lander and its pint-sized rover have beamed back some gorgeous images of the lesser-seen side …

bgr.com - a day ago

Astronomers Discover a Tiny New Temporary Moon for the Earth. Welcome to the Family 2020 CD3

Astronomers Discover a Tiny New Temporary Moon for the Earth. Welcome to the Family 2020 CD3

Earth has a tiny new moon, named 2020 CD3. It's likely a captured asteroid, which started orbiting Earth 3 years ago. It won't be staying for long.

universetoday.com - a day ago

Tens of thousands of communications satellites could spoil view of giant sky telescope

Tens of thousands of communications satellites could spoil view of giant sky telescope

Satellite trails could ruin about one-third of the images from Rubin Observatory during parts of the night

sciencemag.org - a day ago

Coronavirus cases are literally popping up out of nowhere, which is terrifying

Coronavirus cases are literally popping up out of nowhere, which is terrifying

The coronavirus outbreak has sent the world’s health groups into overdrive as they work to prevent the future spread of the virus and manage the cases that have already been confirmed. Tracki…

bgr.com - a day ago

Venus and the moon: What’s going on in the sky tonight

Venus and the moon: What’s going on in the sky tonight

With the moon just a thin fingernail, Venus will stand out in the night sky.

mercurynews.com - a day ago

After high temperatures recorded in Antarctica, NASA images show continent's brown barren land- Technology News, Firstpost

After high temperatures recorded in Antarctica, NASA images show continent's brown barren land- Technology News, Firstpost

tech2 Information WorkersFeb 26, 2020 11:57:30 IST Pictures from NASA’s Earth Observatory reveals the glaciers in Antarctica are melting due to uncharacteristically heat climate within the continent. On 6 February, a analysis station in Antarctica, the Espera…

bestgamingpro.com - a day ago

Gilead launches remdesivir's Phase III trials in Covid-19 patients

Gilead launches remdesivir's Phase III trials in Covid-19 patients

Gilead Sciences has commenced two Phase III clinical trials of its investigational antiviral drug, remdesivir, for the treatment of Covid-19 in adults.

clinicaltrialsarena.com - a day ago

Antarctica snow turns ‘blood red’

Antarctica snow turns ‘blood red’

Scientists say red coloured snow reflects less sunlight and causes ice to melt faster

Independent - a day ago

Katherine Johnson died on February 24th

Katherine Johnson died on February 24th

The black mathematician who guided the first manned spaceflights and the first Moon landing was 101

economist.com - a day ago

Biggest explosion seen in universe came from black hole

Biggest explosion seen in universe came from black hole

CAPE CANAVERAL, Fla. (AP) — Astronomers have discovered the biggest explosion seen in the universe, originating from a super-massive black hole. Scientists reported Thursday that the blast...

Associated Press - a day ago