Tag Archives: million

Jurassic drop in ocean oxygen lasted a million years

Dramatic drops in oceanic oxygen, which cause mass extinctions of sea life, come to a natural end — but it takes about a million years. Paleontology News — ScienceDaily

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‘Humanlike’ ways of thinking evolved 1.8 million years ago

By using highly advanced brain imaging technology to observe modern humans crafting ancient tools, a neuroarchaeologist has found evidence that human-like ways of thinking may have emerged as early as 1.8 million years ago. Paleontology News — ScienceDaily

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Methane-munching microbes living in the deep biosphere for 400 million years: An analogue for extra-terrestrial life

It is becoming more and more appreciated that a major part of the biologic activity is not going on at the ground surface, but is hidden underneath the soil down to depths of several kilometres in an environment coined the … Continue reading

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Ant agricultural revolution began 30 million years ago in dry, desert-like climate

Millions of years before humans discovered agriculture, ants were farming fungus beneath the surface of the Earth. By tracing their evolutionary history, scientists have learned about a key transition in their agricultural evolution. This transition allowed the ants to achieve … Continue reading

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Tibet sediments reveal climate patterns from late Miocene, 6 million years ago

Researchers surveyed sediment samples from the northern Tibetan Plateau’s Qaidam Basin and constructed paleoclimate cycle records from the late Miocene epoch of Earth’s history, which lasted from approximately 11 to 5.3 million years ago. Reconstructing past climate records can help … Continue reading

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Future carbon dioxide, climate warming potentially unprecedented in 420 million years

Over the next 100 to 200 years, carbon dioxide concentrations in the Earth’s atmosphere will head towards values not seen since the Triassic period, 200 million years ago. Furthermore, by the 23rd century, the climate could reach a warmth not … Continue reading

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Future carbon dioxide, climate warming potentially unprecedented in 420 million years

Over the next 100 to 200 years, carbon dioxide concentrations in the Earth’s atmosphere will head towards values not seen since the Triassic period, 200 million years ago. Furthermore, by the 23rd century, the climate could reach a warmth not … Continue reading

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Amazon River no younger than 9 million years

Researchers have determined the age of the formation of the Amazon River at 9.4 to 9 million years ago with data that convincingly refutes substantial younger estimates. Paleontology News — ScienceDaily

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Antarctic amphibian: a fossil from 245 million years in the past

The beautiful thing about the Antarctic is that it is one of Earth’s last unexplored frontiers. New climatoligical, geological and palaeontological advances are regularly made on this continent and, recently, the Journal of Vertebrate Paleontology announced the discovery here of … Continue reading

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A 180 million year old dinosaur dinner

Petrified Dinosaur poop A dinosaur’s last meal revealed: Fossilized poop found in 180-million-year-old ‘ghost-gut’ reveals they ‘gobbled up’ seeds without chewing Fossils of newly described species found in Argentina date back to Early Jurassic While artistic reconstructions of dinosaurs preying … Continue reading

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