Paleo in the News

Megalodon was nothing like a giant great white shark

New Scientist - Sun, 01/21/2024 - 18:01
We have no complete skeleton of the ancient megalodon shark, but new evidence points to it being more long and slender than previous depictions, say researchers
Categories: Fossils

How wild primates adapt to living with disabilities

New Scientist - Fri, 01/19/2024 - 02:00
For primates, being born with a missing limb or experiencing a major injury isn’t necessarily disabling if their environment or social connections help them thrive – just like humans
Categories: Fossils

A window into plant evolution: The unusual genetic journey of lycophytes

Science Daily - Paleontology - Thu, 01/18/2024 - 14:08
An international team of researchers has uncovered a remarkable genetic phenomenon in lycophytes, which are similar to ferns and among the oldest land plants. Their study reveals that these plants have maintained a consistent genetic structure for over 350 million years, a significant deviation from the norm in plant genetics.
Categories: Fossils

Why animals shrink over time explained with new evolution theory

Science Daily - Paleontology - Thu, 01/18/2024 - 11:22
The new theoretical research proposes that animal size over time depends on two key ecological factors.
Categories: Fossils

Why animals shrink over time explained with new evolution theory

Science Daily - Fossils - Thu, 01/18/2024 - 11:22
The new theoretical research proposes that animal size over time depends on two key ecological factors.
Categories: Fossils

Woolly mammoth movements tied to earliest Alaska hunting camps

Science Daily - Paleontology - Wed, 01/17/2024 - 13:10
Researchers have linked the travels of a 14,000-year-old woolly mammoth with the oldest known human settlements in Alaska, providing clues about the relationship between the iconic species and some of the earliest people to travel across the Bering Land Bridge. Isotopic data, along with DNA from other mammoths at the site and archaeological evidence, indicates that early Alaskans likely structured their settlements to overlap with areas where mammoths congregated. Those findings, highlighted in the new issue of the journal Science Advances, provide evidence that mammoths and early hunter-gatherers shared habitat in the region. The long-term predictable presence of woolly mammoths would have attracted humans to the area.
Categories: Fossils

Woolly mammoth movements tied to earliest Alaska hunting camps

Science Daily - Fossils - Wed, 01/17/2024 - 13:10
Researchers have linked the travels of a 14,000-year-old woolly mammoth with the oldest known human settlements in Alaska, providing clues about the relationship between the iconic species and some of the earliest people to travel across the Bering Land Bridge. Isotopic data, along with DNA from other mammoths at the site and archaeological evidence, indicates that early Alaskans likely structured their settlements to overlap with areas where mammoths congregated. Those findings, highlighted in the new issue of the journal Science Advances, provide evidence that mammoths and early hunter-gatherers shared habitat in the region. The long-term predictable presence of woolly mammoths would have attracted humans to the area.
Categories: Fossils

We finally know how tardigrades can survive extreme conditions

New Scientist - Wed, 01/17/2024 - 13:00
When tardigrades encounter harsh environments, high levels of free radicals in their cells trigger the onset of a dormant state in which they can endure extreme hardship
Categories: Fossils

Why staking a new tree can do more harm than good

New Scientist - Wed, 01/17/2024 - 12:00
New Year, new tree? You can ignore advice to stake out your sapling – and get better results in the process, says James Wong
Categories: Fossils

Diving with manatees in Mexico's unexplored caves

New Scientist - Wed, 01/17/2024 - 12:00
See stunning shots of cave diver Klaus Thymann's search for manatees in a flooded cave system on the Yucatán peninsula
Categories: Fossils

Mass death of seal pups raises fears of bird flu spreading in mammals

New Scientist - Wed, 01/17/2024 - 06:12
Researchers estimate that 17,000 baby elephant seals have died from avian flu in Argentina and it is likely that the virus is spreading among marine mammals
Categories: Fossils

Alpine ibex are becoming more nocturnal as the climate gets hotter

New Scientist - Tue, 01/16/2024 - 18:01
On hot days, Alpine ibex increase their activity at nighttime to avoid the heat – but this might increase the risk of predation by wolves
Categories: Fossils

Pacific kelp forests are far older that we thought

Science Daily - Paleontology - Tue, 01/16/2024 - 12:18
Fossils of kelp along the Pacific Coast are rare. Until now, the oldest fossil dated from 14 million years ago, leading to the view that today's denizens of the kelp forest -- marine mammals, urchins, sea birds -- coevolved with kelp. A recent amateur discovery pushes back the origin of kelp to 32 million years ago, long before these creatures appeared. A new analysis suggests the first kelp grazers were extinct, hippo-like animals called desmostylians.
Categories: Fossils

Pacific kelp forests are far older that we thought

Science Daily - Fossils - Tue, 01/16/2024 - 12:18
Fossils of kelp along the Pacific Coast are rare. Until now, the oldest fossil dated from 14 million years ago, leading to the view that today's denizens of the kelp forest -- marine mammals, urchins, sea birds -- coevolved with kelp. A recent amateur discovery pushes back the origin of kelp to 32 million years ago, long before these creatures appeared. A new analysis suggests the first kelp grazers were extinct, hippo-like animals called desmostylians.
Categories: Fossils

Feeding mode of ancient vertebrate tested for first time

Science Daily - Paleontology - Tue, 01/16/2024 - 12:17
A feeding method of the extinct jawless heterostracans, among the oldest of vertebrates, has been examined and dismissed by scientists, using fresh techniques.
Categories: Fossils

Does the birth of a cloned monkey mean we could now clone people?

New Scientist - Tue, 01/16/2024 - 10:00
A healthy rhesus monkey has been born after being cloned from fetal cells, but creating a clone of an adult human being would be much harder
Categories: Fossils

Four new octopus species discovered by deep-sea submersible

New Scientist - Tue, 01/16/2024 - 08:00
Expedition leaders say they have found several new species of octopus using a remotely operated vehicle around 3 kilometres deep near Costa Rica
Categories: Fossils

Key moment in the evolution of life on Earth captured in fossils

Science Daily - Paleontology - Mon, 01/15/2024 - 11:12
New research has precisely dated some of the oldest fossils of complex multicellular life in the world, helping to track a pivotal moment in the history of Earth when the seas began teeming with new lifeforms -- after four billion years of containing only single-celled microbes.
Categories: Fossils

Key moment in the evolution of life on Earth captured in fossils

Science Daily - Fossils - Mon, 01/15/2024 - 11:12
New research has precisely dated some of the oldest fossils of complex multicellular life in the world, helping to track a pivotal moment in the history of Earth when the seas began teeming with new lifeforms -- after four billion years of containing only single-celled microbes.
Categories: Fossils

Invasive mink eradicated from parts of England by using scented traps

New Scientist - Sun, 01/14/2024 - 18:01
Invasive mink, which are native to North America, have been eradicated from most of East Anglia in England after a trial used the scent of the animals' anal glands to lure them into traps
Categories: Fossils

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