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Paris 1.5°C target may be smashed by 2026

Paris 1.5°C target may be smashed by 2026
Global temperatures could break through the 1.5°C barrier negotiated at the Paris conference as early as 2026 if a slow-moving, natural climate driver known as the Interdecadal Pacific Oscillation (IPO) has, as suspected, moved into a positive phase. New research published in Geophysical Research Letters by University of Melbourne scientists at the ARC Centre of…
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Oldest evidence of life on land found in 3.48 billion-year-old Australian rocks

Oldest evidence of life on land found in 3.48 billion-year-old Australian rocks
Fossils discovered by UNSW scientists in 3.48 billion year old hot spring deposits in the Pilbara region of Western Australia have pushed back by 580 million years the earliest known existence of microbial life on land. Previously, the world's oldest evidence for microbial life on land came from 2.7- 2.9 billion-year-old deposits in South Africa…
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The riskiest vaccine? The one that is not given

The riskiest vaccine? The one that is not given
Last week, public health authorities in Minnesota asked more than 200 people to quarantine themselves after 12 cases of measles were diagnosed in less than 2 weeks—all of them in unvaccinated children younger than 6 years. Across the ocean, an unvaccinated 17-year-old Portuguese girl died of measles after the virus invaded her lungs, in the…
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Ice cave in Transylvania yields window into region’s past

Ice cave in Transylvania yields window into region’s past
Ice cores drilled from a glacier in a cave in Transylvania offer new evidence of how Europe's winter weather and climate patterns fluctuated during the last 10,000 years, known as the Holocene period. The cores provide insights into how the region's climate has changed over time. The researchers' results, published this week in the journal…
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DNA from extinct humans discovered in cave sediments

DNA from extinct humans discovered in cave sediments
While there are numerous prehistoric sites in Europe and Asia that contain tools and other human-made artefacts, skeletal remains of ancient humans are scarce. Researchers of the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, have therefore looked into new ways to get hold of ancient human DNA. From sediment samples collected at seven…
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Amino acids in diet could be key to starving cancer

Amino acids in diet could be key to starving cancer
Cutting out certain amino acids -- the building blocks of proteins -- from the diet of mice slows tumor growth and prolongs survival, according to new research published in Nature. Researchers at the Cancer Research UK Beatson Institute and the University of Glasgow found that removing two non-essential amino acids -- serine and glycine --…
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Curiouser and Curiouser–Octopus’s Evolution Is Even Stranger Than Thought

Curiouser and Curiouser–Octopus’s Evolution Is Even Stranger Than Thought
As if octopuses, squids and other cephalopods were not already strange enough, they may have found a way to evolve that is foreign to practically all other multicellular organisms on the planet. For most animals, changes that might prove beneficial to the organism primarily occur at the beginning of their molecular production process. Mutations occur…
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Most cancer mutations are due to random DNA copying ‘mistakes’

Most cancer mutations are due to random DNA copying ‘mistakes’
Johns Hopkins Kimmel Cancer Center scientists report data from a new study providing evidence that random, unpredictable DNA copying "mistakes" account for nearly two-thirds of the mutations that cause cancer. Their research is grounded on a novel mathematical model based on DNA sequencing and epidemiologic data from around the world. "It is well-known that we…
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