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Tracking down the tiniest of forces: How T cells detect invaders

What happens on a molecular level, when our immune system detects antigens? Scientists have found out, how T cells exert tiny forces on antigens. Bonds between T cells and antigen presenting cells break, and this behavior tells the T cell whether or.....»»

Category: biomedSource:  sciencedailyMay 7th, 2021

Even creepier COVID tracking: Google silently pushed app to users’ phones

Massachusetts launched a COVID tracking app, and uh, it was automatically installed?! (credit: MA Department of Public Health) Over the weekend, Google and the state of Massachusetts managed to make creepy COVID tracking apps even creepier by.....»»

Category: topSource:  arstechnicaRelated News42 min. ago

The risks of adopting "body positivity" to make a sale

Instagram users who detect self-promotion or corporate marketing in a post embracing the body positivity movement may be turned off by that dual messaging, new research suggests......»»

Category: topSource:  physorgRelated News7 hr. 41 min. ago

Porsche will build a high-performance battery factory in Germany

The joint venture with Customcells will focus on cells with silicon anodes. Enlarge / Porsche plans to first use these new silicon anode cells in motorsports, but we don't know where that will be yet, since Formula E and LMDh will both require a.....»»

Category: topSource:  arstechnicaRelated News20 hr. 14 min. ago

Scientists Are Teaching Drones To Hunt Down Human Screams

If someone created a flying machine capable of tracking you down by listening for your voice, you might be creeped out. But what if you were pinned under a pile of rubble after a natural disaster and first responders couldn't locate you? Maybe then a.....»»

Category: topSource:  slashdotRelated NewsJun 18th, 2021

Researchers dig deeper into how cells transport their waste for recycling

Scientists at Sanford Burnham Prebys have gained a deeper insight into the intricacies of autophagy, the process in which cells degrade and recycle cellular components. The findings, published in Current Biology, describe how the "trash bags" in a ce.....»»

Category: topSource:  pcmagRelated NewsJun 18th, 2021

How cells "read" artificial ingredients tossed into genetic recipe

If the genome is the recipe of life, base pairs are the individual ingredients listed. These chemical structures form DNA, and every living organism on Earth has just four. The specific arrangements of these four base pairs—A, T, C, G—make us who.....»»

Category: topSource:  physorgRelated NewsJun 17th, 2021

"Nanodecoy" therapy binds and neutralizes SARS-CoV-2 virus

Nanodecoys made from human lung spheroid cells (LSCs) can bind to and neutralize SARS-CoV-2, promoting viral clearance and reducing lung injury in a macaque model of COVID-19. By mimicking the receptor that the virus binds to rather than targeting th.....»»

Category: topSource:  physorgRelated NewsJun 17th, 2021

A remote control for gene transfer

The ability to insert desirable genes into animal or human cells is the basis of modern life science research and of widespread biomedical applications. The methods used to date for this purpose are mostly non-specific, making it difficult for scient.....»»

Category: topSource:  physorgRelated NewsJun 17th, 2021

Alpine plant spins its own flavonoid wool

Like the movie version of Spider-Man who shoots spider webs from holes in his wrists, a little alpine plant has been found to eject cobweb-like threads from tiny holes in specialized cells on its leaves. It's these tiny holes that have taken plant sc.....»»

Category: topSource:  physorgRelated NewsJun 17th, 2021

Study finds potentially druggable process of SARS-CoV-2 replication

Of all the proteins of the SARS-CoV-2 virus (the pathogen that causes COVID-19), the spike protein is the one that gets the most attention. This attention is well-deserved—the spike protein is essential for latching on to cells and infecting a host.....»»

Category: topSource:  physorgRelated NewsJun 17th, 2021

The Motorola Defy is back, with a special dual-layer body for extra toughness

Motorola and rugged phone experts Bullitt have joined forces and launched the Motorola Defy, a tough phone with a dual-layer body for extra protection......»»

Category: topSource:  digitaltrendsRelated NewsJun 17th, 2021

Graphene can be used to detect COVID-19 quickly, accurately

Researchers at the University of Illinois Chicago have successfully used graphene—one of the strongest, thinnest known materials—to detect the SARS-CoV-2 virus in laboratory experiments. The researchers say the discovery could be a breakthrough i.....»»

Category: topSource:  physorgRelated NewsJun 16th, 2021

Amazon is Blocking Google"s FLoC

Amazon is blocking Google's controversial cookieless tracking and targeting method. From a report: Most of Amazon's properties including Amazon.com, WholeFoods.com and Zappos.com are preventing Google's tracking system FLoC -- or Federated Learning o.....»»

Category: topSource:  slashdotRelated NewsJun 16th, 2021

New web tool fights antibacterial resistance

In 1943, two scientists named Max Delbrück and Salvador Luria conducted an experiment to show that bacteria can mutate randomly, independent of external stimulus, such as an antibiotic that threatens a bacterial cells' survival. Today the Luria-Delb.....»»

Category: topSource:  physorgRelated NewsJun 15th, 2021

Scientists explain the crucial role of motor proteins in cell division

Proper chromosome segregation into two future daughter cells requires the mitotic spindle to elongate in anaphase. However, although some candidate proteins are implicated in this process, the molecular mechanism that drives spindle elongation in hum.....»»

Category: topSource:  physorgRelated NewsJun 15th, 2021

Recommendations for reproducibility in stem cell research

The ability to program induced pluripotent stem cells (iPSCs) and drive their differentiation into a variety of neural cells is essential for studying neurological disorders, including intellectual and developmental disabilities (IDDs). But issues re.....»»

Category: topSource:  physorgRelated NewsJun 15th, 2021

Observations detect a brown dwarf orbiting the star TOI–1278

An international team of astronomers reports the discovery of a companion to the M dwarf star known as TOI–1278. The newly found object turns out to be a brown dwarf nearly 20 times as massive as Jupiter. The finding is detailed in a paper publishe.....»»

Category: topSource:  physorgRelated NewsJun 15th, 2021

How stem cells synchronize to repair the spinal cord in axolotls

The spinal cord is an important component of our central nervous system: it connects the brain with the rest of the body and plays a crucial part in coordinating our sensations with our actions. Falls, violence, disease—various forms of trauma can.....»»

Category: topSource:  physorgRelated NewsJun 15th, 2021

Crosslinker protein helps egg cells develop

A protein helps direct the flow of materials in the Drosophila ovary during the development of egg cells, according to a Northwestern Medicine study published in Current Biology......»»

Category: topSource:  physorgRelated NewsJun 15th, 2021

Semiconductor revenue increases slightly in 1Q21

Semiconductor revenue in the first quarter of 2021 grew from the previous quarter, marking just the third time that has happened since research firm Omdia began tracking quarterly semiconductor revenue in 2002......»»

Category: itSource:  digitimesRelated NewsJun 15th, 2021