Fossils

Over nearly half a billion years, Earth's global temperature has changed drastically, driven by carbon dioxide

Science Daily - Fossils - Thu, 09/19/2024 - 16:47
A new study offers the most detailed glimpse yet into how Earth's surface temperature has changed over the past 485 million years. The data show that Earth has been and can be warmer than today -- but humans and animals cannot adapt fast enough to keep up with human-caused climate change.
Categories: Fossils

Insights into South African population history from 10,000-year-old human DNA

Science Daily - Fossils - Thu, 09/19/2024 - 10:50
Ancient DNA has provided spectacular insights into human history, particularly in Europe and Asia, where researchers have reconstructed the genomes of thousands of people. However, fewer than two dozen ancient genomes have been recovered from southern Africa -- specifically Botswana, South Africa and Zambia -- which has some of the world's earliest evidence of modern humans, with the oldest genomes dating back around 2,000 years.
Categories: Fossils

Giant rats trained to sniff out illegal wildlife trade

New Scientist - Thu, 09/19/2024 - 07:00
African giant pouched rats proved adept at detecting four commonly trafficked products derived from endangered species including rhino horn and elephant ivory
Categories: Fossils

The cactus family’s surprising evolutionary journey

New Scientist - Thu, 09/19/2024 - 04:00
We are finally untangling the ancient history of the cactus family, revealing some surprising forces that shaped these plants – ­­­­­­and prompting concern for their future
Categories: Fossils

Rugged Falklands landscape was once a lush rainforest

Science Daily - Fossils - Wed, 09/18/2024 - 20:40
A researcher has found evidence that the treeless, rugged, grassland landscape of the Falkland Islands was home to a lush, diverse rainforest up to 30 million years ago.
Categories: Fossils

Explaining dramatic planet-wide changes after world's last 'Snowball Earth' event

Science Daily - Paleontology - Wed, 09/18/2024 - 15:57
Some of the most dramatic climatic events in our planet's history are 'Snowball Earth' events that happened hundreds of millions of years ago, when almost the entire planet was encased in ice up to 0.6 miles thick. New research provides a more complete picture for how the last Snowball Earth event ended, and suggests why it preceded a dramatic expansion of life on Earth, including the emergence of the first animals.
Categories: Fossils

South African rock art possibly inspired by long-extinct species

Science Daily - Paleontology - Wed, 09/18/2024 - 13:24
A mysterious tusked animal depicted in South African rock art might portray an ancient species preserved as fossils in the same region, according to a new study.
Categories: Fossils

South African rock art possibly inspired by long-extinct species

Science Daily - Fossils - Wed, 09/18/2024 - 13:24
A mysterious tusked animal depicted in South African rock art might portray an ancient species preserved as fossils in the same region, according to a new study.
Categories: Fossils

Is it really cheaper to cultivate your own fruit and vegetables?

New Scientist - Wed, 09/18/2024 - 13:00
Our gardening columnist James Wong isn’t convinced, and does the maths to get some answers
Categories: Fossils

Early dingoes are related to dogs from New Guinea and East Asia

Science Daily - Paleontology - Wed, 09/18/2024 - 11:49
New archaeological research has discovered for the first time clear links between fossils of the iconic Australian dingo, and dogs from East Asia and New Guinea.
Categories: Fossils

Early dingoes are related to dogs from New Guinea and East Asia

Science Daily - Fossils - Wed, 09/18/2024 - 11:49
New archaeological research has discovered for the first time clear links between fossils of the iconic Australian dingo, and dogs from East Asia and New Guinea.
Categories: Fossils

Air jacket helps 'scuba-diving' lizards stay underwater for longer

New Scientist - Tue, 09/17/2024 - 19:01
Some lizards dive into streams to escape predators, and a specialised bubble-breathing technique enables them to stay submerged for up to 18 minutes
Categories: Fossils

Some flowers may have evolved long stems to be better ‘seen’ by bats

New Scientist - Tue, 09/17/2024 - 11:00
Echolocating bats can more easily find and pollinate long-stemmed flowers that stand out from the surrounding foliage, which may be why this floral trait evolved
Categories: Fossils

Genomics reveals sled dogs' Siberian lineage

Science Daily - Fossils - Mon, 09/16/2024 - 10:55
New research examines thousands of years of Arctic sled dog ancestry and reveals when and how Siberian and Alaskan sled dogs' DNA mixed.
Categories: Fossils

Tiny chameleon spotted by tourists in Madagascar is new to science

New Scientist - Mon, 09/16/2024 - 05:26
A species of leaf chameleon newly named Brookesia nofy was discovered in a patch of coastal rainforest, a highly threatened habitat in Madagascar
Categories: Fossils

Antidote to deadly pesticides boosts bee survival

New Scientist - Fri, 09/13/2024 - 12:00
Feeding bees edible bits of hydrogel increases their odds of surviving pesticide exposure by 30 per cent
Categories: Fossils

Cats have brain activity recorded with the help of crocheted hats

New Scientist - Fri, 09/13/2024 - 10:00
Custom-made wool caps have enabled scientists to record electroencephalograms in awake cats for the first time, which could help assess their pain levels
Categories: Fossils

How El Nino and mega ocean warming caused the greatest-ever mass extinction

Science Daily - Paleontology - Thu, 09/12/2024 - 13:23
Mega ocean warming El Nino events were key in driving the largest extinction of life on planet Earth some 252 million years ago, according to new research. The study has shed new light on why the effects of rapid climate change in the Permian-Triassic warming were so devastating for all forms of life in the sea and on land.
Categories: Fossils

Trilobite fossils from upstate New York reveal 'extra' set of legs

Science Daily - Paleontology - Thu, 09/12/2024 - 12:58
A new study finds that a trilobite species with exceptionally well-preserved fossils from upstate New York has an additional set of legs underneath its head. The research suggests that having a fifth pair of head appendages might be more widespread among trilobites than once thought and helps researchers better understand how trilobite heads are segmented.
Categories: Fossils

Trilobite fossils from upstate New York reveal 'extra' set of legs

Science Daily - Fossils - Thu, 09/12/2024 - 12:58
A new study finds that a trilobite species with exceptionally well-preserved fossils from upstate New York has an additional set of legs underneath its head. The research suggests that having a fifth pair of head appendages might be more widespread among trilobites than once thought and helps researchers better understand how trilobite heads are segmented.
Categories: Fossils

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