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Inner Life of a Cell | Protein Packing

Ultrabright lasers help switch single photons

(Phys.org) —In the search for a single photon source, researchers in Australia and France have achieved a major step towards a turn-key source of …

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Physicists at New Zealand's University of Otago have pushed the frontiers of quantum technology by developing a steerable 'optical tweezers' unit …

'Optical oracle' could quickly solve complex computing problems

(Phys.org) —The optical fiber network that spans the globe consists of millions of miles of fibers that bring us our Internet, cable TV, and …

Will Virus Particles Meet Their End In These Tiny Death Traps?

Whether or not the single biggest threat to humankind’s continued vitality on the planet is the virus, as Nobel Laureate Joshua Lederberg has said, …

Study uncovers secrets of a mollusk's unique bioceramic armor

MIT researchers uncover the secrets behind a marine creature's defensive armor—one that is exceptionally tough, yet optically clear.<p>The shells of a …

Ancient Virus DNA Gives Stem Cells the Power to Transform

Embryonic stem cells can become any type of cell, thanks to an ancient virus, scientists say.<p>A virus that invaded the genomes of humanity's ancestors millions of years ago now plays a critical role in the embryonic stem cells from which all cells in the human body derive, new research shows.<p>The …

Fungus may block Alzheimer’s protein

Some natural types of fungus appear to inhibit the build-up of tau—a protein linked to Alzheimer’s disease and other neurodegenerative diseases.<p>“Tau …

Oil and diamond mix transfers heat best

A mixture of diamond nanoparticles and mineral oil easily outperforms other types of fluid created for heat-transfer applications, a new study …

Team says magnetic ‘push’ might help ignite fusion

Researchers have found a new kind of magnetic behavior that could help make nuclear fusion reactions easier to start.<p>Fusion is widely considered the …

Melanoma in families linked to mutations in one gene

The discovery that mutations in a specific gene are responsible for a hereditary form of melanoma could make it easier to detect and treat, experts …

How a growing brain knows which wires to cut

From the time we’re born, the developing brain undergoes a process to cut off excess nerve connections. Some estimates show that as many as half of …

One Goat’s Million-Dollar Blood Is Fueling Cancer Research

By Cynthia Graber9 minute Read<p>Once there was a goat living somewhere in North America. The goat, fed, kept warm, lived out its life in support of …

Self-Healing Muscles Grown In Lab, Implanted In Mice

The muscles also fluoresce when they contract.<p>No this isn't a joke, etc.: Scientists have grown working muscle fibers in the lab that they were then able to successfully implant into mice. Even better, the muscles can repair themselves, which is a significant step in tissue engineering.<p>"It's the …

Muscle

Genetic clock lets E. coli keep time in hot or cold

Genetic systems run like clockwork, attuned to temperature, time of day, and many other factors as they regulate living organisms.<p>Scientists at Rice …

Nanoparticles: The Next Big Thing in Medicine — NOVA Next | PBS

DNA. The very acronym calls to mind the molecule’s exquisite structure, a linear double helix. Our understanding of DNA and its orbiting strands has …

Imaging technique could lead to RSV vaccine

A new imaging technique for studying the structure of a childhood disease, respiratory syncytial virus (RSV), could provide scientists with the …

Brain training works, but there’s a catch

A web search for “brain training” will bring up online exercises, games, software, and apps, all designed to prepare your brain to do better on any …

Added laser makes force microscope 3D

Membrane proteins are the “gatekeepers” that allow information and molecules to pass into and out of a cell. Until recently, the microscopic study of …

Genetic mutation leads to lupus in mice

Researchers have identified a genetic mutation that leads to lupus in mice and say the discovery could open the way for development of therapies that …

Mutation takes ‘brakes’ off neck and head cancers

The increased activation of a key oncogene in neck and head cancers could be the result of mutation and dysfunction of regulatory proteins that are …

‘RAMBO’ magnetic pulse generator fits on tabletop

A new tabletop magnetic pulse generator, dubbed “RAMBO,” does the work of a room-sized machine with advantages that include handling experiments in …

This gene stops nerve fibers from decaying

Scientists have identified a gene that protects against spontaneous nerve degeneration, a discovery that could have implications for treating a range …

Variable speeds make cilia a multipurpose tool

Cilia, the tiny, hair-like fibers protrude from cell membranes and perform all kinds of tasks in all kinds of creatures, from helping clear debris …

A day later, caffeine stimulates memory

Caffeine helps people remember fine distinctions between similar things at least up to 24 hours after it is consumed, new research shows.<p>“We’ve …

Contact with protein dooms traveling cancer cells

Attaching a cancer-killer protein to white blood cells annihilates metastasizing cancer cells traveling throughout the bloodstream, new research …

‘Superlens’ adds range to wireless power transfer

Inventor Nikola Tesla imagined the technology to transmit energy through thin air almost a century ago, but experimental attempts at the feat have so …

Red and green show which X chromosome is turned on

Researchers have figured out how to color code the two X chromosomes in female mice to reveal which is working and which has been switched …

Why viruses and bacteria trigger different immune responses

Scientists have identified a key difference in the way our immune systems respond to viral and bacterial pathogens.<p>The study, published in the …