Advertisements


Completing the "timetree" of primates: A new way to map the evolutionary history of life on Earth

In a new article published in Frontiers in Bioinformatics, biologists Dr. Jack M Craig, Dr. Blair Hedges, and Dr. Sudhir Kumar, all at Temple University, have built an evolutionary tree that encompasses 455 primates, every species for which genetic d.....»»

Category: topSource:  physorgDec 16th, 2024

New model can predict marine heat waves, extreme ocean acidity months in advance

In the 21st century, the Earth's oceans are growing warmer and more acidic. This change is happening slowly over the long-term, but it can also cause short-term, local spikes......»»

Category: topSource:  physorgRelated NewsNov 25th, 2024

Europa Clipper: Millions of miles down, instruments deploying

NASA's Europa Clipper, which launched Oct. 14 on a journey to Jupiter's moon Europa, is already 13 million miles (20 million kilometers) from Earth. Two science instruments have deployed hardware that will remain at attention, extending out from the.....»»

Category: topSource:  physorgRelated NewsNov 25th, 2024

Earth-bound asteroids "could be tracked more precisely" with new equation

Identifying asteroids on a potential collision course with Earth could be made easier thanks to an advancement in how to track their orbits more precisely......»»

Category: topSource:  physorgRelated NewsNov 25th, 2024

A 4.45 billion-year-old crystal from Mars reveals the planet had water from the beginning

Water is ubiquitous on Earth—about 70% of Earth's surface is covered by the stuff. Water is in the air, on the surface and inside rocks. Geologic evidence suggests water has been stable on Earth since about 4.3 billion years ago......»»

Category: topSource:  physorgRelated NewsNov 25th, 2024

Brighter and more efficient LEDs with low polarization resist "efficiency droop"

Light-emitting diodes (LEDs) are everywhere in modern life, from smartphones to home lighting. But today's LEDs have a major limitation: when you try to make them brighter by increasing their power, they become less efficient......»»

Category: topSource:  physorgRelated NewsNov 25th, 2024

Exploring life at its simplest: Scientists create a "minimal cell membrane" with just two lipids

Lipids, or fats, are essential to life. They form the membranes around cells, protecting them from the outside. In nature, there is an enormous diversity of lipids, with each organism having its own unique combination. But what are the minimum lipid.....»»

Category: topSource:  physorgRelated NewsNov 25th, 2024

The Chesapeake Bay"s "dead zone" stays at long-term average: It"s a "good sign"

The dead zone in the Chesapeake Bay, where there's low oxygen for underwater life, was near its average size in 2024, according to new data from the Chesapeake Bay Program......»»

Category: topSource:  physorgRelated NewsNov 25th, 2024

Earth bids farewell to its temporary "mini moon" that is possibly a chunk of our actual moon

Planet Earth is parting company with an asteroid that's been tagging along as a "mini moon" for the past two months......»»

Category: topSource:  physorgRelated NewsNov 25th, 2024

Earth to bid farewell to its temporary ‘mini moon’ on Monday

A so-called “mini moon” that’s been orbiting Earth for the last couple of months is about to disappear off into our solar system again......»»

Category: topSource:  digitaltrendsRelated NewsNov 25th, 2024

Man scouring Google Earth found a mysterious scar in the Australian outback. Now we know what caused it

Earlier this year, a caver was poring over satellite images of the Nullarbor Plain when he came across something unexpected: an enormous, mysterious scar etched into the barren landscape......»»

Category: topSource:  physorgRelated NewsNov 24th, 2024

Remaking History: Sarah Mather and the Aquascope

The Brooklyn Evening Star, January 24, 1843: “The world is indebted to this inventor, who is not only American, but an American Lady!” The post Remaking History: Sarah Mather and the Aquascope appeared first on Make: DIY Projects and Ideas for M.....»»

Category: gadgetSource:  makezineonlineRelated NewsNov 23rd, 2024

New maps show high-risk zones for whale-ship collisions—vessel speed limits and rerouting can reduce the toll

Imagine you are a blue whale swimming up the California coast, as you do every spring. You are searching for krill in the Santa Barbara Channel, a zone that teems with fish, kelp forests, seagrass beds and other undersea life, but also vibrates with.....»»

Category: topSource:  physorgRelated NewsNov 23rd, 2024

Wolfs 2 is no longer moving forward at Apple

The first movie was apparently the most-watched title in the history of the streaming service but still didn't merit a sequel......»»

Category: topSource:  digitaltrendsRelated NewsNov 23rd, 2024

‘Wolfs 2’ is no longer moving forward at Apple

The first movie was apparently the most-watched title in the history of the streaming service, but still didn't merit a sequel......»»

Category: topSource:  digitaltrendsRelated NewsNov 23rd, 2024

COP29 braces for new deal after poorer nations reject climate offer

Fierce bargaining at UN climate talks in Azerbaijan dragged into Saturday after a $250 billion a year offer from rich nations was flatly refused by developing countries hardest hit by Earth's rapid warming......»»

Category: topSource:  physorgRelated NewsNov 23rd, 2024

Our Universe is not fine-tuned for life, but it’s still kind of OK

Inspired by the Drake equation, researchers optimize a model universe for life. Physicists including Robert H. Dickle and Fred Hoyle have argued that we are living in a universe t.....»»

Category: topSource:  arstechnicaRelated NewsNov 22nd, 2024

Niagara fireball event leads to discovery of tiniest known asteroid

In an international study led by Western University and Lowell Observatory, scientists describe a pioneering, integrative approach for studying near-Earth asteroids based largely on a November 2022 fireball event that dropped meteorites in the Niagar.....»»

Category: topSource:  physorgRelated NewsNov 22nd, 2024

Ryugu asteroid sample rapidly colonized by terrestrial life despite strict contamination control

Panspermia is the hypothesis that life can survive the transfer between planetary bodies as a secondary path for life to get started on planets throughout a solar system. The discovery of extraterrestrial life on asteroids or within meteorites would.....»»

Category: topSource:  physorgRelated NewsNov 22nd, 2024

Why Is It So Tricky to Show the Sun, Earth, and Moon in a Diagram?

In a nutshell, you can get the distances or the sizes right, but not both. Space is hard!.....»»

Category: gadgetSource:  wiredRelated NewsNov 22nd, 2024

2 million mph galaxy smash-up seen in unprecedented detail

A massive collision of galaxies sparked by one traveling at a scarcely-believable 2 million mph (3.2 million km/h) has been seen in unprecedented detail by one of Earth's most powerful telescopes......»»

Category: topSource:  physorgRelated NewsNov 22nd, 2024