Feature Channels: Evolution and Darwin

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Newswise: ‘We’re all Asgardians’: new clues about the origin of complex life
Released: 22-Jun-2023 5:45 PM EDT
‘We’re all Asgardians’: new clues about the origin of complex life
University of Texas at Austin (UT Austin)

Thor, the legendary Norse god from the mythological city of Asgard, is not alone. According to groundbreaking research published in the journal Nature, we humans — along with eagles, starfish, daisies and every complex organism on Earth — are, in a sense, Asgardians.

Newswise: Cave excavation pushes back the clock on early human migration to Laos
Released: 21-Jun-2023 2:15 PM EDT
Cave excavation pushes back the clock on early human migration to Laos
College of Liberal Arts and Sciences, University of Illinois Urbana-Champaign

15 years of archaeological work in the Tam Pa Ling cave in Laos has yielded a reliable chronology of early human occupation of the site, scientists report in Nature Communications. Excavations reveal that humans lived in the area for at least 70,000 years – and likely even longer.

Newswise: Neanderthal cave engravings are oldest known – over 57,000 years old
15-Jun-2023 10:10 AM EDT
Neanderthal cave engravings are oldest known – over 57,000 years old
PLOS

Markings on a cave wall in France are the oldest known engravings made by Neanderthals, according to a study published June 21, 2023 in the open-access journal PLOS ONE by Jean-Claude Marquet of the University of Tours, France and colleagues.

Newswise: Modern horses have lost their additional toes, scientists confirm
19-Jun-2023 7:05 AM EDT
Modern horses have lost their additional toes, scientists confirm
University of Bristol

The distant ancestors of modern horses had hooved toes instead of a single hoof, which vanished over time, according to researchers.

Newswise: These long-necked reptiles were decapitated by their predators, fossil evidence confirms
Released: 19-Jun-2023 11:30 AM EDT
These long-necked reptiles were decapitated by their predators, fossil evidence confirms
Cell Press

In the age of dinosaurs, many marine reptiles had extremely long necks compared to reptiles today.

Newswise: Fossil study sheds light on famous spirals found in nature
Released: 16-Jun-2023 6:35 PM EDT
Fossil study sheds light on famous spirals found in nature
University of Edinburgh

Leaf arrangements in the earliest plants differ from most modern plants, overturning a long-held theory regarding the origins of a famous mathematical pattern found in nature, research shows.

Released: 16-Jun-2023 12:05 PM EDT
New butterfly species named after Smithsonian's retired museum specialist
Pensoft Publishers

When introducing a new species to science, taxonomists always get to choose its scientific name. And while there are some general rules to naming, there’s also relative freedom.

Newswise: First hominin muscle reconstruction shows 3.2 million-year-old ‘Lucy’ could stand as erect as we can
Released: 14-Jun-2023 2:25 PM EDT
First hominin muscle reconstruction shows 3.2 million-year-old ‘Lucy’ could stand as erect as we can
University of Cambridge

A Cambridge University researcher has digitally reconstructed the missing soft tissue of an early human ancestor – or hominin – for the first time, revealing a capability to stand as erect as we do today.

Released: 14-Jun-2023 1:10 PM EDT
Slightly lost bumblebees use scent to find their way home
Frontiers

Put yourself in the exoskeleton of a bumblebee for a moment: your world would be a riot of colors and scents, both essential to guide your search for pollen and nectar.

Newswise: “Viking disease” hand disorder may come from Neandertal genes
Released: 14-Jun-2023 1:10 PM EDT
“Viking disease” hand disorder may come from Neandertal genes
Oxford University Press

A new paper in Molecular Biology and Evolution, published by Oxford University Press, shows that a condition known as Dupuytren's disease is partly of Neandertal origin.

Newswise: Skipping evolution: some kangaroos didn’t hop, scientists explain
12-Jun-2023 10:50 AM EDT
Skipping evolution: some kangaroos didn’t hop, scientists explain
University of Bristol

Extinct kangaroos used alternative methods to their famous hop according to comprehensive analysis from University of Bristol and the University of Uppsala scientists.

Newswise: New method traces ancestry of hybrid plants and animals
Released: 13-Jun-2023 12:55 PM EDT
New method traces ancestry of hybrid plants and animals
Binghamton University, State University of New York

In a recent article published in the journal Nature Communications, Binghamton University Assistant Professor of Biological Sciences Adam Session and Daniel S. Rokhsar, a professor of genetics, evolution and development at the University of California, Berkeley, outline a way to trace these genomes back to the polypoid hybrid’s parent species.

Newswise: Evolutionary fuel: Researchers study maintenance of an ancient chromosomal inversion
Released: 12-Jun-2023 8:30 PM EDT
Evolutionary fuel: Researchers study maintenance of an ancient chromosomal inversion
Utah State University

Genetic variation is the ultimate fuel for evolution, says Utah State University evolutionary geneticist Zachariah Gompert. But, over centuries, that fuel reservoir gets depleted in the course of natural selection and random genetic drift.

Newswise: South Africa, India and Australia shared similar volcanic activity 3.5 billion years ago
Released: 12-Jun-2023 7:00 PM EDT
South Africa, India and Australia shared similar volcanic activity 3.5 billion years ago
University of the Witwatersrand, Johannesburg

Cratons are pieces of ancient continents that formed several billions of years ago. Their study provides a window as to how processes within and on the surface of Earth operated in the past.

Newswise: Which came first: the reptile or the egg?
9-Jun-2023 9:50 AM EDT
Which came first: the reptile or the egg?
University of Bristol

The earliest reptiles, birds and mammals may have borne live young, researchers from Nanjing University and University of Bristol have revealed.

Released: 8-Jun-2023 12:50 PM EDT
Lingering effects of Neanderthal DNA found in modern humans
Cornell University

Recent scientific discoveries have shown that Neanderthal genes comprise some 1 to 4% of the genome of present-day humans whose ancestors migrated out of Africa, but the question remained open on how much those genes are still actively influencing human traits — until now.

Newswise: Curly hair kept early humans cool
Released: 8-Jun-2023 12:25 PM EDT
Curly hair kept early humans cool
Loughborough University

Tightly curled scalp hair protected early humans from the sun’s radiative heat, allowing their brains to grow to sizes comparable to those of modern humans. Loughborough University researchers in the UK worked with Penn State University to study heat transfer through human hair wigs and the environment to examine how diverse hair textures affect heat gain from solar radiation.

Released: 8-Jun-2023 2:05 AM EDT
Study finds socially tolerant monkeys have better impulse control
University of Portsmouth

Socially tolerant species are better at controlling their emotions and behaviours, according to a new study of one of humanity's closest relatives.

   
Released: 7-Jun-2023 12:55 PM EDT
Development of communication in chimpanzees echoes that of human infants
Durham University

Young chimpanzees combine different gestures, vocalisations and facial expressions in a way which echoes the development of communication in human infants, according to new research.

Released: 7-Jun-2023 12:50 PM EDT
The evolutionary origins and advantages of masturbation
University College London

Masturbation is common across the animal kingdom but is especially prevalent amongst primates, including humans.

   


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