Genetic engineering sheds light on ancient evolutionary questions
Cyanobacteria are single-celled organisms that derive energy from light, using photosynthesis to convert atmospheric carbon dioxide (CO2) and liquid water (H2O) into breathable oxygen and the carbon-based molecules like proteins that make up their ce.....»»
Indigenous elders and ritual specialists help to unlock the meaning of ancient Amazonian rock art
Archaeologists documenting tens of thousands of rock art motifs in the Colombian Amazon have been consulting with Indigenous elders and ritual specialists to help interpret their meaning......»»
Industrial companies in Europe targeted with GuLoader
A recent spear-phishing campaign targeting industrial and engineering companies in Europe was aimed at saddling victims with the popular GuLoader downloader and, ultimately, a remote access trojan that would permit attackers to steal information from.....»»
Q&A: Looking at ancient Roman plagues through an environmental lens
A pit of human bones, potential evidence of a catastrophic epidemic that struck Constantinople in 541 A.D. Sulfur deposits trapped in polar ice, showing traces of a series of massive volcanic eruptions. For Brandon McDonald, these seemingly incongruo.....»»
Mountaineering mice shed light on evolutionary adaptation
Teams of mountaineering mice are helping advance understanding into how evolutionary adaptation to localized conditions can enable a single species to thrive across diverse environments......»»
Oldest depictions of fishing discovered in Ice Age art: Camp site reveals 15,800-year-old engravings of fish trapping
The Ice Age camp site of Gönnersdorf on the banks of the Rhine has revealed a groundbreaking discovery that sheds new light on early fishing practices. New imaging methods have allowed researchers to see intricate engravings of fish on ancient schis.....»»
Scientists reveal strigolactone perception mechanism and role in tillering responses to nitrogen
"How is plant growth controlled?" and "What is the basis of variation in stress tolerance in plants?" were among the 125 most challenging scientific questions, according to the journal Science in 2016......»»
Computational chemistry promises to upset traditional methods of chemical synthesis
The process of discovering and designing new chemicals has always been arduous—Sijia Dong wants to change that. As an assistant professor in the department of chemistry and chemical biology, with affiliations in physics and chemical engineering, Do.....»»
Researchers discover genetic reason for the red, yellow and orange bills of Australian finches
What gives an Australian finch its brilliantly colored red, yellow or orange bill? A major new study has uncovered the genetic switches controlling these distinctive colors, revealing a key piece in the puzzle of how animals develop their coloration......»»
Evolutionary anthropologist presents hypothesis about why humans are dominating the world over other animals
Why is human culture—the shared body of knowledge passed down across generations—so much more powerful than animal cultures?.....»»
Ancient unicellular organism indicates embryonic development might have existed prior to animals" evolution
Chromosphaera perkinsii is a single-celled species discovered in 2017 in marine sediments around Hawaii. The first signs of its presence on Earth have been dated at over a billion years, well before the appearance of the first animals......»»
Gray squirrel control: Study shows promise for effective contraceptive delivery system
A study published in the journal Pest Management Science sheds light on the behavior of gray squirrels (Sciurus carolinensis) and explores methods for the targeted delivery of oral contraceptives to control their populations......»»
Coyotes are thriving despite human and predator pressures, large-scale study finds
Research led by the University of New Hampshire sheds light on how coyotes, North America's most successful predators, are responding to various environmental pressures, including human development, hunting and competition with larger carnivores. Sur.....»»
Biologists discover how plants evolved multiple ways to override genetic instructions
Biologists at Washington University in St. Louis have discovered the origin of a curious duplication that gives plants multiple ways to override instructions that are coded into their DNA. This research could help scientists exploit a plant's existin.....»»
Probability training: Preventing errors of reasoning in medicine and law
How trustworthy is a positive HIV test result? How probable is an actual infection when the test is positive? Even professionals often get such questions wrong, which can lead to misdiagnoses and unnecessary surgeries......»»
Mighty radio bursts linked to massive galaxies: New clues about how magnetars form
Since their discovery in 2007, fast radio bursts—extremely energetic pulses of radio-frequency light—have lit up the sky repeatedly, leading astronomers on a chase to uncover their origins. Currently, confirmed fast radio bursts, or FRBs, number.....»»
Genetic repair via CRISPR can inadvertently introduce other defects, researchers show
The CRISPR molecular scissors have the potential to revolutionize the treatment of genetic diseases. This is because they can be used to correct specific defective sections of the genome. Unfortunately, however, there is a catch: under certain condit.....»»
Asteroid grains shed light on the outer solar system"s origins
Tiny grains from a distant asteroid are revealing clues to the magnetic forces that shaped the far reaches of the solar system more than 4.6 billion years ago......»»
Conspicuous consumption may have evolutionary roots, researchers suggest
It's sometimes said that people buy products they don't really need, with money they don't really have, to impress people they don't really like. This behavior is known as conspicuous consumption because these consumers want others to see them with t.....»»
Scientists find key to engineering water-responsive biopolymers
Scientists at the Advanced Science Research Center at the CUNY Graduate Center (CUNY ASRC) have developed a novel approach to better understand and predict the behaviors of water-responsive materials—solid matter that can change shape by absorbing.....»»
Burial chamber and grave goods of ancient Egyptian priestess discovered in Asyut
An international team of archaeologists led by Professor Jochem Kahl from Freie Universität Berlin has made an incredible discovery in the necropolis of Asyut, Egypt. Researchers discovered the burial chamber of the ancient Egyptian priestess Idy, d.....»»