Here’s the latest science, technology, medical, environmental, and space news from “ScienceDaily Newsletter.”
Views expressed in this science and technology update are those of the reporters and correspondents.
Accessed on 03 February 2023, 1405 UTC.
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Top Science News
February 3, 2023
This Groundbreaking Biomaterial Heals Tissues from the Inside out
Jan. 30, 2023 — A new biomaterial that can be injected intravenously, reduces inflammation in tissue and promotes cell and tissue repair. The biomaterial was tested and proven effective in treating tissue damage caused by heart attacks in both rodent and large animal models. Researchers also provided proof of …
Will Machine Learning Help Us Find Extraterrestrial Life?
Jan. 30, 2023 — Researchers have applied a deep learning technique to a previously studied dataset of nearby stars and uncovered eight previously unidentified signals of …
Meteorites Reveal Likely Origin of Earth’s Volatile Chemicals
Jan. 27, 2023 — By analyzing meteorites, researchers have uncovered the likely far-flung origin of Earth’s volatile chemicals, some of which form the building blocks of …
AI Technology Generates Original Proteins from Scratch
Jan. 26, 2023 — Scientists have created an AI system capable of generating artificial enzymes from scratch. In laboratory tests, some of these enzymes worked as well as those found in nature, even when their artificially generated amino acid sequences diverged significantly from any known natural …
Latest Top Headlines
updated 8:46am EST
Ultra-Processed Foods May Be Linked to Increased Risk of Cancer
Jan. 31, 2023 — Higher consumption of ultra-processed foods may be linked to an increased risk of developing and dying from cancer, an observational study …
Health News
February 3, 2023
Traffic Pollution Impairs Brain Function
Jan. 24, 2023 — A new study has shown that common levels of traffic pollution can impair human brain function in only a matter of hours. The study was the first to show in a controlled experiment using functional magnetic resonance imaging (fMRI) that exposure to diesel exhaust disrupts the ability of different …
Reducing Total Calories May Be More Effective for Weight Loss Than Intermittent Fasting
Jan. 18, 2023 — Timing from first meal to last meal was not associated with weight loss in a six-year study: Eating less overall and fewer large meals may be a more effective weight management strategy than restricting meals to a narrow time window, such as …
Newly Discovered Anatomy Shields and Monitors Brain
Jan. 5, 2023 — Researchers describe a previously unknown component of brain anatomy that acts as both a protective barrier and platform from which immune cells surveil the brain for infection and …
New Blood Test Can Detect ‘Toxic’ Protein Years Before Alzheimer’s Symptoms Emerge, Study Shows
Dec. 5, 2022 — Researchers can detect ‘toxic’ small aggregates of a particular protein in the blood of individuals with Alzheimer’s disease, as well as in individuals who showed no signs of cognitive impairment at the time the blood sample was taken, but who …
Latest Health Headlines
updated 8:46am EST
Sugar Is Processed Differently in the Brains of Obesity-Prone Vs. Obesity-Resistant Rats
Feb. 2, 2023 — A new study tracked what happens in the brains of rats in real time in the brain when presented with glucose, a type of sugar, labeled with a tracer. The tracer allowed the researchers to measure this new sugar in the …
Physical/Tech News
February 3, 2023
Billions of Celestial Objects Revealed in Gargantuan Survey of the Milky Way
Jan. 18, 2023 — Astronomers have released a gargantuan survey of the galactic plane of the Milky Way. The new dataset contains a staggering 3.32 billion celestial objects — arguably the largest such catalog so far. The data for this unprecedented survey were taken …
Riddle Solved: Why Was Roman Concrete So Durable?
Jan. 6, 2023 — An unexpected ancient manufacturing strategy may hold the key to designing concrete that lasts for …
Hubble Finds That Ghost Light Among Galaxies Stretches Far Back in Time
Jan. 4, 2023 — In giant clusters of hundreds or thousands of galaxies, innumerable stars wander among the galaxies like lost souls, emitting a ghostly haze of light. These stars are not gravitationally tied to any one galaxy in a cluster. The nagging question for astronomers has been: how did the stars get so …
Researchers Propose New Structures to Harvest Untapped Source of Freshwater
Dec. 6, 2022 — An almost limitless supply of fresh water exists in the form of water vapor above Earth’s oceans, yet remains untapped, researchers said. A new study suggests an investment in new infrastructure capable of harvesting oceanic water vapor as a solution to limited supplies of fresh water in various …
Latest Physical/Tech Headlines
updated 8:46am EST
Researchers Devise a New Path Toward ‘Quantum Light’
Feb. 2, 2023 — Researchers have theorized a new mechanism to generate high-energy ‘quantum light’, which could be used to investigate new properties of matter at the atomic …
Environment News
February 3, 2023
Global Warming Reaches Central Greenland
Jan. 18, 2023 — A temperature reconstruction from ice cores of the past 1,000 years reveals that today’s warming in central-north Greenland is surprisingly pronounced. The most recent decade surveyed in a study, the years 2001 to 2011, was the warmest in the past 1,000 years, and the region is now 1.5 °C warmer …
When Migrating Birds Go Astray, Disturbances in Magnetic Field May Be Partly to Blame
Jan. 13, 2023 — Disturbances to Earth’s magnetic field can lead birds astray — a phenomenon scientists call ‘vagrancy’ — even in perfect weather, and especially during fall migration. While other factors such as weather likely play bigger roles in causing …
Two out of Three Glaciers Could Be Lost by 2100
Jan. 5, 2023 — Scientists have made new projections of glacier mass loss through the century under different emissions …
Feline Genetics Help Pinpoint First-Ever Domestication of Cats
Dec. 5, 2022 — Nearly 10,000 years ago, humans settling in the Fertile Crescent, the areas of the Middle East surrounding the Tigris and Euphrates rivers, made the first switch from hunter-gatherers to farmers. They developed close bonds with the rodent-eating cats that conveniently served as ancient pest-control …
Latest Environment Headlines
updated 8:46am EST
Reducing Their Natural Signals: How Sneaky Germs Hide from Ants
Feb. 2, 2023 — Not only humans are social, ants are too. Group members are taking care of sick ones by providing collective hygiene measures. This presents germs with a task. They must circumvent the immunity of an individual ant and avoid the group’s healthcare. A new study reveals that germs develop a sneaky way to escape the ant colony’s defense systems by reducing their detection …
Society/Education News
February 3, 2023
Risk of Multiple Climate Tipping Points Escalates Above 1.5°C Global Warming
Sep. 8, 2022 — Multiple climate tipping points could be triggered if global temperature rises beyond 1.5°C above pre-industrial levels, according to a major new analysis. Even at current levels of global heating the world is already at risk of passing five …
Risk of Volcano Catastrophe ‘a Roll of the Dice’
Aug. 18, 2022 — While funding is pumped into preventing low-probability scenarios such as asteroid collision, the far more likely threat of a large volcanic eruption is close to ignored — despite much that could be done to reduce the risks, say …
How the Brain Responds to Surprising Events
June 1, 2022 — Researchers have found that one key role of the neuromodulator noradrenaline, produced by the locus coeruleus, is to help the brain learn from surprising …
Lead Exposure in Last Century Shrank IQ Scores of Half of Americans, Study Finds
Mar. 7, 2022 — Researchers calculate that exposure to car exhaust from leaded gas during childhood stole a collective 824 million IQ points from over 170 million Americans alive today, more than half of the population of the United …
Latest Society/Education Headlines
updated 8:46am EST
Climate Change May Cut US Forest Inventory by a Fifth This Century
Feb. 1, 2023 — A study found that under more severe climate warming scenarios, the inventory of trees used for timber in the continental United States could decline by as much as 23% by 2100. The largest inventory losses would occur in two of the leading timber regions in the U.S., which are both in the …
