Frozen mammoth skin retained its chromosome structure
Features as small as 50 nanometers preserved in a 50,000-year-old sample. Enlarge (credit: LEONELLO CALVETTI/SCIENCE PHOTO LIBRARY) One of the challenges of working with ancient DNA samples is that damage accumulates ove.....»»
Snapshots of the smallest programmable nuclease TnpB published
A team led by Professor Virginijus Šikšnys from Vilnius University Life Sciences Center (VU LSC) determined the structure of TnpB using cryo-electron microscopy in collaboration with the group of Professor Guillermo Montoya at the Novo Nordisk Foun.....»»
Wolfspeed and ZF plan for a joint SiC research center in Germany
Wolfspeed and ZF, a leading supplier of electric drives, is planning for a silicon carbide (SiC) research center in Nuremberg, Germany, aiming to improve the system design, module structure and production processes of SiC technology to shorten time-t.....»»
Testosterone in tusks: Hormones in mammoth fossils excite paleontologists
The technique could allow us to link mammoth health and nutrition to mating. Enlarge / Mammoth tusks collected at Wrangel Island, where some of the samples tested for hormones originated. (credit: Alexei Tikhonov) Musth,.....»»
New tusk-analysis techniques reveal surging testosterone in male woolly mammoths
Traces of sex hormones extracted from a woolly mammoth's tusk provide the first direct evidence that adult males experienced musth, a testosterone-driven episode of heightened aggression against rival males, according to a new University of Michigan-.....»»
How to unlock Darth Maul in Fortnite
The new Fortnite update adds Darth Maul from the Star Wars series. Here's how to unlock the character skin in Fortnite......»»
Why the future of restaurants runs through the grocery store
From Momofuku to Noma, top restaurants are pushing into frozen foods and pantry staples. The economics of their business leaves them little choice. It’s Friday night and, judging from the dejected slump of a quartet of would-be diners outside.....»»
Dynamic 3D structure extraction from HS-AFM images
Allowing the direct observation of biomolecules in dynamic action, high-speed AFM has opened a new avenue to dynamic structural biology. An enormous number of successful applications developed within the last 15 years provide unique insights into ess.....»»
Researchers decipher the structure of protein methyltransferase from the mpox virus
Scientists from the Institute of Organic Chemistry and Biochemistry in Prague have deciphered the structure of the protein methyltransferase from the monkeypox virus. It is with the help of this protein that the virus escapes human immunity and cause.....»»
Researchers reveal structure of unusual hormone receptor
As the proverb goes, it takes a village to raise a child. It can also take a village to make progress in science and medicine......»»
Sharp images show inside a hedgehog spine and reveal citrus-like structure
Detailed microscale images of the inside of a hedgehog spine have revealed that the internal structure looks similar to the inside of a citrus fruit, which may explain their strength and flexibility......»»
Framework for NASA"s Roman spacecraft moves to Goddard clean room
The primary structure that will serve as the "bones" of NASA's Nancy Grace Roman Space Telescope has moved into the big clean room at NASA's Goddard Space Flight Center in Greenbelt, Maryland. The spacecraft bus, Roman's primary support element, will.....»»
Centuries-old teenage mummy unearthed in Peru
The mummy of a teenager who lived roughly 800-1,200 years ago, complete with skin fragments and tufts of hair, has been unearthed on the outskirts of the Peruvian capital Lima, the leader of the excavation team said Tuesday......»»
Researchers develop new method for layered structure detection in open star clusters
Morphological study of open clusters can provide observational evidence for tracing the formation mechanism of star clusters and help to explore the evolution of star clusters......»»
ChatGPT now allows disabling chat history, declining training, and exporting data
Unsaved chats will be retained 30 days for "abuse monitoring" before permanent deletion. Enlarge (credit: OpenAI / Stable Diffusion) On Tuesday, OpenAI announced new controls for ChatGPT users that allow them to turn off.....»»
Novel living yeast-based dual biosensor for detecting peptide variants
Biosensors—sensors that can detect biological samples—are powerful tools for understanding the function, composition, and structure of biochemical molecules. Biosensors are often applied for the detection of proteins and their subunits, called pe.....»»
What Rosalind Franklin truly contributed to the discovery of the structure of DNA
A previously overlooked letter and a news article that was never published, both written in 1953, add to other lines of evidence showing Rosalind Franklin was an equal contributor—not a victim—in the discovery of DNA's structure......»»
Seasonal effects on aboveground biomass estimation in mountainous deciduous forests
Forest three-dimensional (3D) structure measurement is a key factor in achieving high-precision estimations of vegetation carbon storage. A stereoscopic point cloud is used for forest 3D structure observation......»»
Researchers reveal an ancient mechanism for wound repair
It's a dangerous world out there. From bacteria and viruses to accidents and injuries, threats surround us all the time. And nothing protects us more steadfastly than our skin. The barrier between inside and out, the body's largest organ is also its.....»»
The Galaxy Watch 5 can now Track Your Cycle via Skin Temperature
The company says that the feature will be gradually released via Samsung Health app updates in regions including Korea, the U.S. and several European countries. Samsung recently announced that it will be adding skin temperature measurement.....»»
Explorers found a secret chamber hiding in the Great Pyramid of Giza
Explorers have uncovered the existence of a secret chamber in the Great Pyramid of Giza. Once the tallest human-made structure on Earth, the Great Pyramid … The post Explorers found a secret chamber hiding in the Great Pyramid of Giza appeared.....»»