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.....»»
Toxic fireproof chemicals can be absorbed through touch, 3D-printed skin model shows
Cancer-causing flame retardants found in everyday things like plastics, furniture, fabrics and electronics can be sucked up by the skin and absorbed into the bloodstream in 24 hours, scientists have found......»»
Fairy-wrens are more likely to help a mate in the harsh of winter, ornithologists find
Monash University ornithologists have shed light on the intricate relationship between social structure, environmental conditions, and cooperative behavior in superb fairy-wrens (Malurus cyaneus)......»»
Computer model suggests frozen cells could be used to save northern white rhino from extinction
A team of geneticists and computer scientists from the San Diego Zoo Wildlife Alliance, Cornell University and the University of California, Santa Cruz, has created a computer model that shows it should be possible to save the northern white rhino fr.....»»
NASA observations find what helps heat roots of "moss" on sun
Did you know the sun has moss? Due to its resemblance to the earthly plants, scientists have named a small-scale, bright, patchy structure made of plasma in the solar atmosphere "moss." This moss, which was first identified in 1999 by NASA's TRACE mi.....»»
From defects to order: Spontaneously emerging crystal arrangements in perovskite halides
Perovskites are among the most extensively studied materials in modern materials science. Their often unique and exotic properties, which stem from perovskite's peculiar crystal structure, could find revolutionary applications in various cutting-edge.....»»
Ultra-resilient flexible sensors break new ground in pressure detection
In recent advancements, flexible pressure sensors have been developed to mimic human skin's sensitivity, significantly benefiting fields like interactive technologies, health monitoring, and robotics. These innovations leverage a variety of microstru.....»»
Apple wants to make grooved keys to stop nasty finger oil transfer to MacBook Pro screens
Apple is researching a novel way to keep MacBook Pro displays clean — by changing the structure of keys on the keyboard.Every key would have a groove or gully around it to collect dirt and keep it off the top of the keysApple has previously issued.....»»
Twisted pollen tubes induce infertility in plants with multiple sets of chromosomes
Most mammals and humans have a double set of chromosomes—and as a rule, plants do, too: One set comes from the father, the other from the mother. Such organisms are called diploids. However, sometimes the number of chromosome sets doubles from one.....»»
New time-resolved ultraviolet photodissociation mass spectrometry strategy for target protein stability analysis
How mutations impact protein stability and structure dynamics is crucial for understanding the molecular mechanism of the disease and the targeted drug design. However, probing the molecular details of mutation-induced subtle structure dynamics is st.....»»
Scientists develop maleic acid-treated bacterial cellulose gel for enhancing bone repair
The field of bone tissue engineering (BTE) is a promising avenue for addressing bone injuries and defects by constructing artificial scaffolds with bionic functionalities. Due to its unique 3D network structure, impressive mechanical properties, and.....»»
Researchers control quantum properties of 2D materials with tailored light
A team of scientists has developed a method that harnesses the structure of light to twist and tweak the properties of quantum materials. Their results, published today in Nature, pave the way for advancements in next generation quantum electronics,.....»»
New radar analysis method can improve winter river safety
University of Alaska Fairbanks researchers have developed a way to use radar to detect open water zones and other changes in Alaska's frozen rivers in the early winter. The approach can be automated to provide current hazard maps and is applicable ac.....»»
New study finds potential targets at chromosome ends for degenerative disease prevention
We depend on our cells being able to divide and multiply, whether it's to replace sunburnt skin or replenish our blood supply and recover from injury. Chromosomes, which carry all of our genetic instructions, must be copied in a complete way during c.....»»
How to use Force Quit and Activity Monitor to close persistent apps
No matter what you use your Mac for, there may come a time when Command + Q just doesn't cut it. For closing out those persistently frozen apps that just won't go away, there are a couple of ways to get the job done.For those apps that just won't clo.....»»
Making ultra-fast electron measurements in multiple directions to reveal the secrets of the aurora
The energetic electrons that drive the aurora borealis (the northern lights) have a rich and very dynamic structure that we currently do not fully understand. Much of what we know about these electrons comes from instruments that have fundamental lim.....»»
New protein imaging method supports the design of innovative new cancer drugs
Scientists have successfully used a new imaging technique to determine the structure and interactions of a protein complex that plays a significant part in the initiation and progression of cancer. They showed that it was possible to use a high-resol.....»»
Scientists reconstruct assembly of the human centriole, image by image, for the first time
Cells contain various specialized structures—such as the nucleus, mitochondria or peroxisomes—known as "organelles." Tracing their genesis and determining their structure is fundamental to understanding cell function and the pathologies linked to.....»»
Researchers map structure of mitochondria at different life stages
Mitochondria, organelles with an inner and outer membrane, are responsible for creating the energy that cells use to survive, and their morphology is key to accomplishing this task. The inner mitochondrial membrane contains folds, called cristae, tha.....»»
A frozen lake and several Lamborghinis provide lessons on traction control
Electronic traction control is more important than ever as electric motors proliferate. Enlarge / You can learn a lot about traction when there's very little of it around. (credit: Michael Teo Van Runkle) Lamborghini pro.....»»
Chinese scientists reveal the spinning mechanism of the silkworm
Mulberry silk is a natural protein fiber that is light, soft and fine in nature, known as the "second skin of the human body" and "Queen of fibers." China is the origin of the world's sericulture industry......»»