Scientists discover how humans develop larger brains than other apes

[…] The study, published in the journal Cell, compared ‘brain organoids’ – 3-D tissues grown from stem cells which model early brain development—that were grown from human, gorilla and chimpanzee stem cells. Similar to actual brains, the human brain organoids grew a lot larger than the organoids from other apes. […] During the early stages Read more about Scientists discover how humans develop larger brains than other apes[…]

Hong Kong’s fragile coral reefs boosted by 3D printing

In jade waters off Hong Kong’s eastern shoreline, scientists are thrilled to spot a cuttlefish protecting her eggs inside an artificial, 3D-printed clay seabed helping to restore the city’s fragile coral reefs. […] Around 84 species of coral are found in Hong Kong’s waters, scientists say, more diverse than those found in the Caribbean Sea. Read more about Hong Kong’s fragile coral reefs boosted by 3D printing[…]

26 author report: bottom trawling for fish is responsible for one gigaton of carbon emissions a year—a higher annual total than (pre-pandemic) aviation emissions.

It’s been well established by now that the agricultural systems producing our food contribute at least one fifth of global anthropogenic carbon emissions—and up to a third if waste and transportation are factored in. A troubling new report points to a previously overlooked source: an industrial fishing process practiced by dozens of countries around the Read more about 26 author report: bottom trawling for fish is responsible for one gigaton of carbon emissions a year—a higher annual total than (pre-pandemic) aviation emissions.[…]

Feeding cattle seaweed reduces their greenhouse gas emissions 82 percent

A bit of seaweed in cattle feed could reduce methane emissions from beef cattle as much as 82 percent, according to new findings from researchers at the University of California, Davis. The results, published today in the journal PLOS ONE, could pave the way for the sustainable production of livestock throughout the world. “We now Read more about Feeding cattle seaweed reduces their greenhouse gas emissions 82 percent[…]

Astrophysicists re-imagine world map, designing a less distorted, ‘radically different’ way to see the world

How do you flatten a sphere? For centuries, mapmakers have agonized over how to accurately display our round planet on anything other than a globe. Now, a fundamental re-imagining of how maps can work has resulted in the most accurate flat map ever made, from a trio of map experts: J. Richard Gott, an emeritus Read more about Astrophysicists re-imagine world map, designing a less distorted, ‘radically different’ way to see the world[…]

Scientists develop transparent wood that is stronger and lighter than glass

Researchers at the University of Maryland have turned ordinary sheets of wood into transparent material that is nearly as clear as glass, but stronger and with better insulating properties. It could become an energy efficient building material in the future. Wood is made of two basic ingredients: cellulose, which are tiny fibres, and lignin, which Read more about Scientists develop transparent wood that is stronger and lighter than glass[…]

Physicists Made an Insanely Precise Clock That Keeps Time Using Entanglement

Nothing keeps time like the beating heart of an atom. But even the crisp tick-tock of a vibrating nucleus is limited by uncertainties imposed by the laws of quantum mechanics. Several years ago, researchers from MIT and the University of Belgrade in Serbia proposed that quantum entanglement could push clocks beyond this blurry boundary. Now, Read more about Physicists Made an Insanely Precise Clock That Keeps Time Using Entanglement[…]

How use science to fight back against anti-maskers, climate deniers and anti-vaxxers? Let people read their research

[..] The shift to online science communication from conventional news platforms has been going on for a while. There is a need for credible and accurate science reporting because the miscommunication of science in the media is causing lasting damage to the public’s understanding of science. Misinformation has consequences, as seen during the ongoing COVID-19 Read more about How use science to fight back against anti-maskers, climate deniers and anti-vaxxers? Let people read their research[…]

Scientists Produce Rare Diamonds In Minutes At Room Temperature

While traditional diamonds are formed over billions of years deep in the Earth where extreme pressures and temperatures provide just the right conditions to crystalize carbon, scientists are working on more expedient ways of forging the precious stones. An international team of researchers has succeeded in whittling this process down to mere minutes, demonstrating a Read more about Scientists Produce Rare Diamonds In Minutes At Room Temperature[…]

Nasal spray might prevent COVID-19 infections – it does in ferrets

Many hopes for a return to a semi-normal life after COVID-19 revolve around vaccines, but those injections have limits — they’re harder to deploy in low-income and rural areas where there’s no guarantee of easy distribution. Science may offer a more accessible alternative, though. Columbia University researchers have developed a nasal spray that has successfully Read more about Nasal spray might prevent COVID-19 infections – it does in ferrets[…]

‘Sleeping giant’ Arctic methane deposits starting to release, scientists find

Scientists have found evidence that frozen methane deposits in the Arctic Ocean – known as the “sleeping giants of the carbon cycle” – have started to be released over a large area of the continental slope off the East Siberian coast, the Guardian can reveal. High levels of the potent greenhouse gas have been detected Read more about ‘Sleeping giant’ Arctic methane deposits starting to release, scientists find[…]

Artificial intelligence model detects asymptomatic Covid-19 infections through cellphone-recorded coughs

MIT researchers have now found that people who are asymptomatic may differ from healthy individuals in the way that they cough. These differences are not decipherable to the human ear. But it turns out that they can be picked up by artificial intelligence. In a paper published recently in the IEEE Journal of Engineering in Read more about Artificial intelligence model detects asymptomatic Covid-19 infections through cellphone-recorded coughs[…]

Physicists successfully carry out controlled transport of stored light

A team of physicists led by Professor Patrick Windpassinger at Johannes Gutenberg University Mainz (JGU) has successfully transported light stored in a quantum memory over a distance of 1.2 millimeters. They have demonstrated that the controlled transport process and its dynamics has only little impact on the properties of the stored light. The researchers used Read more about Physicists successfully carry out controlled transport of stored light[…]

Cars, planes, trains: where do CO2 emissions from transport come from?

In the chart here we see global transport emissions in 2018. This data is sourced from the International Energy Agency (IEA). Road travel accounts for three-quarters of transport emissions. Most of this comes from passenger vehicles – cars and buses – which contribute 45.1%. The other 29.4% comes from trucks carrying freight. Since the entire Read more about Cars, planes, trains: where do CO2 emissions from transport come from?[…]

Super precise measurement of all matter in universe made

A team of US astrophysicists has produced one of the most precise measurements ever made of the total amount of matter in the Universe, a longtime mystery of the cosmos. The answer, published in The Astrophysical Journal on Monday, is that matter consists of 31.5 percent—give or take 1.3 percent—of the total amount of matter Read more about Super precise measurement of all matter in universe made[…]

COVID-19 Conspiracy Theories Are a Public Health Threat

Public health crises have spawned conspiracy theories as far back as when the Black Death ravaged Europe in the 1300s, as people desperately try to make sense of the chaotic forces disrupting their lives. While modern science offers a better understanding of how diseases infect people and how to contain them, COVID-19 conspiracy theories are Read more about COVID-19 Conspiracy Theories Are a Public Health Threat[…]

High-fidelity record of Earth’s climate history puts current changes in context of orbital variation

For the first time, climate scientists have compiled a continuous, high-fidelity record of variations in Earth’s climate extending 66 million years into the past. The record reveals four distinctive climate states, which the researchers dubbed Hothouse, Warmhouse, Coolhouse, and Icehouse. These major climate states persisted for millions and sometimes tens of millions of years, and Read more about High-fidelity record of Earth’s climate history puts current changes in context of orbital variation[…]

Several Fish Can Secretly Walk on Land, Study Suggests

A surprising number of hillstream loaches—a family of Asian fish—are capable of walking on land using all four limbs, according to a new study. It’s a discovery that could explain how some of the earliest animals managed to stroll on solid ground. South Asian hillstream loaches are a family of small fish that can often Read more about Several Fish Can Secretly Walk on Land, Study Suggests[…]

Researchers reveal a much richer picture of the past with new DNA recovery technique

Researchers at McMaster University have developed a new technique to tease ancient DNA from soil, pulling the genomes of hundreds of animals and thousands of plants—many of them long extinct—from less than a gram of sediment. The DNA extraction method, outlined in the journal Quarternary Research, allows scientists to reconstruct the most advanced picture ever Read more about Researchers reveal a much richer picture of the past with new DNA recovery technique[…]

Scientists slow and steer light with resonant nanoantennas

in a paper published on Aug. 17, in Nature Nanotechnology, Stanford scientists demonstrate a new approach to slow light significantly, much like an echo chamber holds onto sound, and to direct it at will. Researchers in the lab of Jennifer Dionne, associate professor of materials science and engineering at Stanford, structured ultrathin silicon chips into Read more about Scientists slow and steer light with resonant nanoantennas[…]

Quantum paradox points to shaky foundations of reality

Nearly 60 years ago, the Nobel prize–winning physicist Eugene Wigner captured one of the many oddities of quantum mechanics in a thought experiment. He imagined a friend of his, sealed in a lab, measuring a particle such as an atom while Wigner stood outside. Quantum mechanics famously allows particles to occupy many locations at once—a Read more about Quantum paradox points to shaky foundations of reality[…]