Science and Technology

All gas, no brakes: Testosterone may act as 'brake pedal' on immune response

Science Daily - 12/05/2021
Researchers have investigated the role that hormones play in male and female inflammatory responses. In a new study, he found that testosterone may protect against stomach inflammation.

New approach to understanding our wellbeing

Science Daily - 12/05/2021
The ability to connect and feel a sense of belonging are basic human needs but new research has examined how these are determined by more than just our personal relationships. Psychologists highlight the importance of taking a wider approach to wellbeing and how it can be influenced by issues such as inequality and anthropogenic climate change.

Youths with diverse gender identities bullied up to three times more than peers, study finds

Science Daily - 12/05/2021
Transgender and other youths with diverse gender identities are victimized up to three times more than their peers, according to a new study.

Brain research gets a boost from mosquitoes

Science Daily - 12/05/2021
Scientists took a light-sensitive protein derived from mosquitoes and used it to devise an improved method for investigating the messages that are passed from neuron to neuron in the brains of mice.

Peptide could allow medical marijuana to relieve pain without side effects

Science Daily - 12/05/2021
Many people live with chronic pain, and in some cases, cannabis can provide relief. But the drug also can significantly impact memory and other cognitive functions. Now, researchers have developed a peptide that, in mice, allowed THC, the main component of Cannabis sativa, to fight pain without the side effects.

Prehistoric horses, bison shared diet

Science Daily - 12/05/2021
Researchers found that a broader diversity of plants in the Arctic 40,000 years ago supported both more -- and more diverse -- big animals like horses, bison and ground sloths. The research could inform conservation of wood bison in Alaska.

AI helps predict treatment outcomes for patients with diseased dental implants

Science Daily - 12/05/2021
Peri-implantitis, a condition where tissue and bone around dental implants becomes infected, besets roughly one-quarter of dental implant patients, and currently there's no reliable way to assess how patients will respond to treatment of this condition.

A long-lasting, stable solid-state lithium battery

Science Daily - 12/05/2021
Researchers have designed a stable, lithium-metal solid state battery that can be charged and discharged at least 10,000 times -- far more cycles than have been previously demonstrated --- at a high current density. The battery technology could increase the lifetime of electric vehicles to that of the gasoline cars -- 10 to 15 years -- without the need to replace the battery. With its high current density, the battery could pave the way for electric vehicles that can fully charge within 10 to 20 minutes.

Brain computer interface turns mental handwriting into text on screen

Science Daily - 12/05/2021
Researchers have, for the first time, decoded the neural signals associated with writing letters, then displayed typed versions of these letters in real time. They hope their invention could one day help people with paralysis communicate.

Ancient gut microbiomes may offer clues to modern diseases

Science Daily - 12/05/2021
Scientists have found dramatic differences between gut microbiomes from ancient North American peoples and modern microbiomes, offering new evidence on how these microbes may evolve with different diets.

Better integrated circuits with glide symmetry

Science Daily - 12/05/2021
Engineers show that when serious line-to-line interference damages the performance of circuits, an alternating arrangement of glide and nonglide symmetric TLs can restore and guarantee signal accuracy.

Parks not only safe, but essential during the pandemic, study finds

Science Daily - 12/05/2021
Parks played an important role for people seeking respite from the toll of social isolation during the pandemic, and according to new research, they did so without increasing the spread of COVID-19. The study looked at how people used 22 parks in Philadelphia and New York during the height of the pandemic and it found no strong correlation between park use and the number of confirmed cases in surrounding neighborhoods.

What does your voice say about you?

Science Daily - 12/05/2021
Everyone has at some point been charmed by the sound of a person's voice: but can we believe our ears? What can a voice really reveal about our character? Now an international research team has shown that people seem to express at least some aspects of their personality with their voice.

Health status of vulnerable gopher tortoises revealed in Southeastern Florida

Science Daily - 12/05/2021
In previously unstudied gopher tortoise aggregations, researchers found that overall, 42.9 percent had circulating antibodies to an infectious bacterium that causes upper respiratory tract disease. Physical examination showed that 19.8 percent had clinical signs consistent with upper respiratory tract disease and 13.2 percent had some form of physical abnormality. None of the tortoises tested positive for Ranavirus or Herpesvirus, which represents important baseline data, since these viruses are thought to be emerging pathogens of other tortoise and turtle species.

Rapid COVID-19 diagnostic test delivers results within 4 minutes with 90 percent accuracy

Science Daily - 12/05/2021
A low-cost, rapid diagnostic test provides COVID-19 results within four minutes with 90 percent accuracy, researchers report. A paper details the fast and inexpensive diagnostic test, called RAPID 1.0. Compared to existing methods for COVID-19 detection, RAPID is inexpensive and highly scalable, allowing the production of millions of units per week.

Engineered bacteria show promise for sustainable biofuel industry

Science Daily - 12/05/2021
Acetone, a volatile solvent used for everything from removing nail polish and cleaning textiles to manufacturing plastics, could get a sustainability boost from a new strain of engineered bacteria.

Untangling the brain: new research offers hope for Alzheimer's disease

Science Daily - 12/05/2021
In a new study, researchers investigate tangles in the brain -- pathologies not only characteristic of Alzheimer's but other neurodegenerative conditions as well. The research homes in on a particular protein known as Rbbp7, whose dysregulation appears linked to the eventual formation of tau protein tangles and the rampant cell death associated with Alzheimer's and other neurodegenerative diseases.

Certain gut microbiota profile can predict mortality

Science Daily - 12/05/2021
Researchers discovered that a large amount of enterobacteria in the gut microbiota is related to long-term mortality risk in adult population.

How smartphones can help detect ecological change

Science Daily - 12/05/2021
Mobile apps like Flora Incognita that allow automated identification of wild plants cannot only identify plant species, but also uncover large-scale ecological patterns. This opens up new perspectives for rapid detection of biodiversity changes.

10 years after obesity surgery: How did life turn out?

Science Daily - 12/05/2021
In a new study, patients were interviewed about their experiences ten years after undergoing obesity surgery. The results show that the effect on eating and weight regulation persisted, whereas other problems, such as feelings of guilt about still not being healthy enough, remained.

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