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Were viruses around on Earth before living cells emerged? A microbiologist explains

Fossil evidence of how the earliest life on Earth came to be is hard to come by. But scientists have come up with a few theories based on the microbes, viruses and prions existing today. ....

Curious Kids , Curious Kids , Curious Kids Us , Yearly Earth , Eukaryotic Cells , Viral Evolution , Ancient Earth ,

Looking to the past to prepare for an uncertain future

MIT senior and EAPS major Aviva Intveld uses fossils and geology to reconstruct ancient climates. She works at the List Visual Arts Center and is committed to diversity and inclusion in STEM. ....

Puerto Rico , University Of Haifa , H Efa , United States , City Of , United Kingdom , Los Angeles , David Mcgee , World Wildlife Fund , Micropaleontology Lab , Inclusion Committee , Royal School Of Mines , Imperial College London , Atmospheric Administration , National Oceanic , List Visual Arts Center , Aviva Intveld , Assistant Professor David Des Marais , World Wildlife , Marine Geoarchaeology , Onward Israel , Bar Kokhba , Associate Professor David Mcgee , Early Holocene , Royal School , List Visual Arts Center ,

"The Middle to Late Pleistocene transition in the Azraq Oasis, Jordan: " by Kelsey C. Boyd, Christopher J.H. Ames et al.

At the Azraq Oasis, located in the Eastern Desert of Jordan, late Middle to early Late Pleistocene wetland deposits contain abundant Lower Palaeolithic stone tools and faunal remains. Focusing on the southern portion of the Azraq Oasis, known as the Shishan Marsh, this study aims to establish the palaeoecological context of this palaeowetland and associated hominin occupations (c. 300–120 ka) using phytoliths and other biogenic silica microfossils. Phytoliths, diatoms, and sponge spicules were extracted from 24 bulk sediment samples from seven stratigraphic profiles across the Shishan Marsh, as well as from three surface sediment samples collected from the Azraq Wetland Reserve and Shaumari Wildlife Reserve. The results indicate that a shallow waterbody existed across the Shishan Marsh during the late Middle Pleistocene, which underwent drying and marsh development due to increasing regional aridity across Marine Isotope Stages (MIS) 8–6. The extensive marsh and associated grasslan ....

Jordan General , Azraq Oasis , Eastern Desert , Late Pleistocene , Lower Palaeolithic , Shishan Marsh , Azraq Wetland Reserve , Shaumari Wildlife , Middle Pleistocene , Marine Isotope Stages , Lower Palaeolithic ,

Scientists Claim These Microfossils Could Indicate Earth's Oldest Life

The new findings challenge the oldest fossils discovered life on Earth after its formation. Microfossils from billions of years ago discovered in what is now Canada suggests it may be Earth's oldest life, as per a new study. ....

Dominic Papineau , University College London , National Aeronautics , Space Administration , Research Outreach , Getty Images , Science Advanceson April , Moon Was Part , Years Ago , New Study , Big Bang , Life On Earth Likely Began , Years Earlier , Oldest Fossils , Ldest Life , University College London , New Study , Rigin Of Life On Earth , Hydrothermal Vents , Complex Life ,

Visiting a unique library in Oregon to sample old, Antarctic mud

Sampling archived sediment cores can illuminate how the Antarctic ice sheet responds to warming climate. ....

United States , Tampa Bay , Nathanialb Palmer , Laurencem Gould , Amelia Shevenell , Emily Kaiser , International Ocean Discovery Program , College Of Marine Science , National Science Foundation , United States Antarctic Program , Oregon State University Marine , Amy Leventer Colgate University , Office For Coastal Management , Us Antarctic Program , Core Collection , Geology Repository , Southern Ocean , Brad Rosenheim , Amy Leventer , Colgate University , Marine Science , Ice Age , Conger Ice Shelf , East Antarctica , Totten Glacier , Coastal Management ,