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First DNA extracted from modern, ancient and fossil tropical shells

In Wonderland, Alice drank a potion to shrink herself. In nature, some animal species shrink to escape the attention of human hunters, a process that takes from decades to millennia. To begin to understand the genetics of shrinking, scientists workin.....»»

Category: topSource:  physorgFeb 23rd, 2021

How Trump Could Actually Increase Fossil Fuel Production

Donald Trump will have key levers he can use, but he faces limitations too......»»

Category: gadgetSource:  wiredRelated News17 hr. 59 min. ago

Gene regulation study reports surprising results: Extensive regions of DNA belong to multiple gene switches

Some sequences in the genome cause genes to be switched on or off. Until now, each of these gene switches, or so-called enhancers, was thought to have its own place on the DNA. Different enhancers are therefore separated from each other, even if they.....»»

Category: topSource:  physorgRelated NewsNov 23rd, 2024

Ancient meets modern as a new subway in Greece showcases archaeological treasures

Greece's second largest city, Thessaloniki, is getting a brand new subway system that will showcase archaeological discoveries made during construction that held up the project for decades......»»

Category: topSource:  physorgRelated NewsNov 23rd, 2024

Oldest direct evidence of hot water activity on Mars found

New Curtin University-led research has uncovered what may be the oldest direct evidence of ancient hot water activity on Mars, revealing the planet may have been habitable at some point in its past......»»

Category: topSource:  physorgRelated NewsNov 23rd, 2024

Ancient fish-trapping network supported the rise of Maya civilization

The Maya were landscape engineers on a grand scale, even when it came to fishing. On the eve of the rise of the Maya civilization, people living in what’s now Belize turned a wh.....»»

Category: topSource:  arstechnicaRelated NewsNov 22nd, 2024

Scientists develop method "tetraplex digital PCR assay" for detecting DNA of invasive snakes in Florida

Scientists at the University of Florida have developed a pioneering tool to bolster Florida's defenses against invasive species: a DNA-based environmental monitoring test that can pinpoint where they've been, aiding eradication efforts......»»

Category: topSource:  physorgRelated NewsNov 22nd, 2024

New technique points to unexpected uses for snoRNA across many cell types

Dynamic, reversible modifications of DNA and RNA regulate how genes are expressed and transcribed, which can influence cellular processes, disease development, and overall organismal health. Small nucleolar RNAs (snoRNAs) are a common but overlooked.....»»

Category: topSource:  physorgRelated NewsNov 22nd, 2024

Fossil discovery reveals giant worm lizard with snail-cracking jaws

An international team of researchers has discovered a new fossil worm lizard species in Tunisia. Terastiodontosaurus marcelosanchezi is the largest known species of the Amphisbaenia group, with a skull length of over five centimeters......»»

Category: topSource:  physorgRelated NewsNov 22nd, 2024

Study reveals RNA"s unknown role in DNA damage repair

A multi-institutional team of researchers, led by Georgia Tech's Francesca Storici, has discovered a previously unknown role for RNA. Their insights could lead to improved treatments for diseases like cancer and neurodegenerative disorders while chan.....»»

Category: topSource:  physorgRelated NewsNov 21st, 2024

Origin of life research finds RNA can favor both left- and right-handed proteins

The mystery of why life uses molecules with specific orientations has deepened with a discovery that RNA—a key molecule thought to have potentially held the instructions for life before DNA emerged—can favor making the building blocks of proteins.....»»

Category: topSource:  physorgRelated NewsNov 21st, 2024

Fewer than 7% of global hotspots for whale-ship collisions have protection measures in place, researchers report

According to the fossil record, cetaceans—whales, dolphins and their relatives—evolved from four-legged land mammals that returned to the oceans beginning some 50 million years ago. Today, their descendants are threatened by a different land-base.....»»

Category: topSource:  physorgRelated NewsNov 21st, 2024

Transparent worms with glowing proteins may help fertility treatments

The development of maternal egg cells is pivotal for survival—but also precarious. During meiosis, the DNA-containing chromosomes can easily be broken or lost, causing infertility, miscarriage or genetic disorders like Down syndrome. Scientists hav.....»»

Category: topSource:  physorgRelated NewsNov 21st, 2024

DNA-based methods found highly effective for identifying insect species

A team of researchers from Linnaeus University and Linköping University, extensively evaluated DNA barcoding and metabarcoding methods. A comprehensive study has demonstrated that DNA-based methods are remarkably reliable for identifying insect spec.....»»

Category: topSource:  physorgRelated NewsNov 21st, 2024

Aquaculture researchers decode the genome of the African catfish to advance modern breeding approaches

Scientists at the Research Institute for Farm Animal Biology (FBN) in Dummerstorf have decoded the genome of the African catfish (Clarias gariepinus), in collaboration with international partners......»»

Category: topSource:  physorgRelated NewsNov 21st, 2024

New structure gives insight into mRNA export and cancers, and how viruses hijack the process to infect their host

The central dogma of biology defines the flow of genetic information: It describes how proteins are made from mRNA templates, which are in turn made from DNA. Exporting the mRNA from inside the nucleus to the site of protein translation in the cytopl.....»»

Category: topSource:  physorgRelated NewsNov 21st, 2024

Southeast Asia coastline research highlights the pressures human activities place on tropical marine ecosystems

The tropical coastlines of Southeast Asia are home to some of the most important and biodiverse marine ecosystems on the planet. However, they are also among its most vulnerable, with areas of coral reefs, mangrove forests and seagrass beds under inc.....»»

Category: topSource:  marketingvoxRelated NewsNov 21st, 2024

DNA repair by cooperation between proteins: A look inside the cell"s repair hub

New research from the Kind Group at the Hubrecht Institute sheds light on how cells repair damaged DNA. For the first time, the team has mapped the activity of repair proteins in individual human cells......»»

Category: topSource:  marketingvoxRelated NewsNov 21st, 2024

Why VMWare"s legacy strengths no longer justify its modern complexities

Why VMWare"s legacy strengths no longer justify its modern complexities.....»»

Category: topSource:  theglobeandmailRelated NewsNov 21st, 2024

Heart cockles have windows in their shells to let in light for symbiotic algae

A team of marine biologists, ecologists and evolutionary specialists from the University of Chicago, Stanford University and Duke University has found that heart cockles have windows in their shells to allow in light needed by the algae that live ins.....»»

Category: topSource:  physorgRelated NewsNov 20th, 2024

Oldest known alphabet unearthed in ancient Syrian city

What appears to be evidence of the oldest alphabetic writing in human history is etched onto finger-length, clay cylinders excavated from a tomb in Syria by a team of Johns Hopkins University researchers......»»

Category: topSource:  physorgRelated NewsNov 20th, 2024