Atmospheric oxidation and the creation of modern Mars
Like Earth, Mars was formed about 4.5 billion years ago, but its early surface was very different than today's. Mars' surface then had high rates of meteorite and asteroid impacts from the period known as the Late Heavy Bombardment. But whereas today.....»»
Testing thousands of RNA enzymes helps find first "twister ribozyme" in mammals
The "RNA world" hypothesis proposes that the earliest life on Earth may have been based on RNA—a single-stranded molecule similar in many ways to DNA—like some modern viruses. This is because, like DNA, RNA can carry genetic information, but, lik.....»»
Scientists have figured out why Martian soil is so crusty
On November 26, 2018, NASA's Interior Exploration using Seismic Investigations, Geodesy, and Heat Transport (InSight) mission landed on Mars. This was a major milestone in Mars exploration since it was the first time a research station had been deplo.....»»
AI learning mechanisms may lead to increase in codebase leaks
The proliferation of non-human identities and the complexity of modern application architectures has created significant security challenges, particularly in managing sensitive credentials, according to GitGuardian. Based on a survey of 1,000 IT deci.....»»
Tracing the journey from Egyptian cat mummies to modern house pets
EU researchers are testing DNA from archaeological cat remains to help unravel the tale of cat domestication. It probably will not surprise cat owners, familiar with the enigmatic and independent nature of their beloved pets, to know that scientists.....»»
Mangrove degradation threatens carbon storage in China"s Pearl Bay
Carbon sinks are important in the fight against climate change as they draw down atmospheric carbon dioxide levels by storing organic carbon in the oceans and soil, for example. Within tropical and subtropical intertidal locations, wetland plant comm.....»»
10 best dark comedy movies of all time, ranked
The best dark comedy movies are the perfect blend of grim and hilarious, from the satirical modern classic, Parasite, to the '90s crime favorite, Fargo......»»
"Alien signal" sent from Mars decoded by father-daughter team
"Alien signal" sent from Mars decoded by father-daughter team.....»»
UN summit approves fund to share benefits of nature"s sequenced genetic data
A UN nature summit agreed in Colombia Saturday on the creation of a fund to share the profits of digitally sequenced genetic data taken from animals and plants with the communities they come from......»»
4,000-year-old town discovered hidden in Arabian oasis
The discovery of a 4,000-year-old fortified town hidden in an oasis in modern-day Saudi Arabia reveals how life at the time was slowly changing from a nomadic to an urban existence, archaeologists said on Wednesday......»»
Not too big, not too small: Why modern humans are the ideal size for speed
The fastest animal on land is the cheetah, capable of reaching top speeds of 104 kilometers per hour. In the water, the fastest animals are yellowfin tuna and wahoo, which can reach speeds of 75 and 77 km per hour respectively. In the air, the title.....»»
Watch NASA’s Mars video of a ‘googly eye’ during solar eclipse
NASA's Perseverance rover has captured remarkable footage of Mars' phobos moon during a recent solar eclipse on the red planet......»»
OpenAI launches ChatGPT with Search, taking Google head-on
As traditional web search falters, OpenAI offers an AI-based alternative. One of the biggest bummers about the modern Internet has been the decline of Google Search. Once an essen.....»»
The mortality rate of bats at modern-day swimming pools is comparable to that at Messel 47 million years ago
More than 500 bat fossils have been discovered at the Messel Pit UNESCO World Heritage Site over 42 years. A new study, published today in the journal Palaeobiodiversity and Palaeoenvironments, investigates whether the high number of fossils is due t.....»»
Let AI compose your next smash hit with Supermusic’s lifetime plan
Explore the future of music creation with Supermusic AI. Generate songs in any genre with just a few prompts. TL;DR: Hurry and get lifetime access to Supermusic AI for $39.97 by November 3 and start creating professional-grade music in minutes......»»
M4 iMac vs 2019 Intel iMac compared: Five years makes a big difference
It has been over five years since Apple launched the last Intel iMac. This is how much of an upgrade you would get with a thoroughly-modern M4 24-inch iMac.M4 24-inch iMac [left], 21.5-inch Intel iMac [right]Apple's self-designed chip initiative, App.....»»
No "island of garbage" here, Puerto Rico"s new marine reserve
The Caribbean US territory of Puerto Rico, likened to a "floating island of garbage" at a Republican rally in New York, on Wednesday announced the creation of a new marine reserve to protect manatees and other species......»»
How agentic AI handles the speed and volume of modern threats
In this Help Net Security interview, Lior Div, CEO at Seven AI, discusses the concept of agentic AI and its application in cybersecurity. He explains how it differs from traditional automated security systems by offering greater autonomy and decision.....»»
Novel polypeptide-based molecules could pave the way for enhanced polymer design
A research study describes a systematic high-throughput design approach for virtual screening and creation of novel polypeptide-based molecules that form regular secondary structures that can be used in biology or materials science research. The stud.....»»
Liquid metal polymers show potential for enhanced electronics performance
Effective thermal management is essential to ensuring the performance and lifespan of modern electronics. While polymers are widely used in electronic components, they inherently exhibit poor thermal conductivity, limiting their effectiveness in diss.....»»
NASA and NOAA rank 2024 ozone hole as 7th-smallest since recovery began
Healing continues in the atmosphere over the Antarctic: a hole that opens annually in the ozone layer over Earth's southern pole was relatively small in 2024 compared to other years. Scientists with NASA and the National Oceanic and Atmospheric Admin.....»»