From yeast to mice, from mice to man: Senescent cells get noisier with age
Getting old seems completely avoidable in youth but becomes less and less so as we age. Many of the obstacles of advanced aging are well understood, including declining eyesight, hearing loss, back, neck and arthritic joint pains, shortness of breath.....»»
Newly identified mysterious fossil seed reveals Ice Age climate patterns
La Brea Tar Pits scientists have identified a previously unknown juniper species as Juniperus scopulorum, commonly known as the Rocky Mountain Juniper. The successful identification, along with the first-ever radiocarbon dating of these fossil plants.....»»
Molecular tool demonstrates how bad eggs are identified for destruction by reproductive system
The biological factory that produces reproductive cells has a robust quality control system to identify and eliminate eggs with chromosomal abnormalities. For years, cell biologists have sought to uncover the mechanisms behind this system, relying on.....»»
Why don"t more women choose to propose to their male partners?
The Christmas period isn't just for presents, sparkling lights and too much festive food—it's also prime time for couples to get engaged. And for heterosexual couples, this is likely to happen in a specific way. The man will do the asking......»»
Superman teaser trailer previews David Corenswet as a battered Man of Steel
The first teaser trailer for Superman has been released. The Superman footage previews David Corenswet as the Man of Steel......»»
Online program helps siblings fight less, bond more, study finds
Siblings between the ages of 4 and 8 can have up to eight fights an hour, Northeastern University psychology professor Laurie Kramer says. If you don't live with children this age, that stat may seem a tad dramatic; if you do, you're probably nodding.....»»
Arctic snow shows up to 71 times more PFAS during sunny months
PFAS refers collectively to the thousands of man-made chemicals that take a very long time to break down in nature. None of these substances occur naturally—also called forever chemicals, and several are suspected of negatively affecting humans and.....»»
Molecular gardening: New enzymes discovered for protein modification pruning
Deubiquitinases (DUBs) are enzymes used by cells to trim protein modifications made from the protein ubiquitin, and thereby regulate proteins. Malfunctioning of DUBs could lead to diseases, including cancer and neurodegenerative disorders......»»
A user manual for yeast"s genetic switches: Researchers provide three design principles
When introducing genes into yeast to make it produce drugs and other useful substances, it is also necessary to reliably switch the production on or off. A Kobe University team found three gene regulation design principles that provide a flexible gui.....»»
New York man finds mastodon jaw while gardening in his backyard
Scholars are hailing the discovery of a fossilized mastodon jaw discovered by a man who spotted two giant teeth while gardening at his upstate New York home this year......»»
Building a backbone: Scientists recreate the body"s "GPS system" in the lab
Scientists at the Francis Crick Institute have generated human stem cell models which, for the first time, contain notochord—a tissue in the developing embryo that acts like a navigation system, directing cells where to build the spine and nervous.....»»
Brain cells mature faster in space but stay healthy: ISS study
Microgravity is known to alter the muscles, bones, the immune system and cognition, but little is known about its specific impact on the brain. To discover how brain cells respond to microgravity, Scripps Research scientists, in collaboration with th.....»»
Spider-Man: Beyond the Spider-Verse has found its directors
Spider-Man: Beyond the Spider-Verse finally has a positive update. Sony has named the directors for the third animated film in the Spider-Verse trilogy......»»
Gladiator II: A historian on the real north African kingdom of Numidia—and the men who ruled it
"Gladiator II" opens with a Roman fleet brutally laying siege to a city in the north African kingdom of Numidia. On the big screen we see ships set ablaze by pots of burning oil and defenders impaled by man-sized iron bolts. The so-called barbarian i.....»»
Unlocking the brain: Peptide-guided nanoparticles deliver mRNA to neurons
Penn Engineers have modified lipid nanoparticles (LNPs)—the revolutionary technology behind the COVID-19 mRNA vaccines—to not only cross the blood-brain barrier (BBB) but also to target specific types of cells, including neurons. This breakthroug.....»»
Yeast cell wall proteins offer possible alternative to emulsifiers derived from milk
Mention emulsifiers and many people might be unaware of what they are used for, but they are present in many daily products, from food to cosmetics. They keep substances that don't usually mix, like water and oil, from separating and are either synth.....»»
Bicentennial Man at 25: Why Robin Williams’ sci-fi movie bomb is still misunderstood
Robin Williams' 1999 movie Bicentennial Man was trashed by critics and the public upon its initial release, but is it a sci-fi classic ripe for re-evaluation?.....»»
Superman poster previews the Man of Steel; teaser trailer coming later this week
Warner Bros. released the official poster for Superman, James Gunn's upcoming movie about the Man of Steel......»»
Butchered bones suggest violent "othering" of enemies in Bronze Age Britain
Archaeologists have analyzed more than 3,000 human bones and bone fragments from the Early Bronze Age site of Charterhouse Warren, England, concluding that the people were massacred, butchered, and likely partly consumed by enemies as a means to dehu.....»»
Kraven the Hunter is a fun, freaky movie that’s 20 years too late
Kraven the Hunter, the last movie in Sony's Spider-Man less universe, is an enyoyable throwback to 2000s superhero movies that is not as silly as it should be......»»
Kraven the Hunter is already performing worse than Madame Web
Kraven the Hunter is sending Sony's Spider-Man Universe out not with a bang but a whimper......»»