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The Authors
For lot's more videos on soil moisture topics, see Drs Selker and Or's text-book support videos https://www.youtube.com/channel/UCoMb5YOZuaGtn8pZyQMSLuQ/playlists
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Category Archives: fossils
Book Review: Written in Stone by Brian Switek
Palaeoblogger extraordinaire Brian Switek has often expressed frustration at the fact that many recent popularisers of evolution have a habit of downplaying the importance of the fossil record in studies of evolution. However, when reading the opening chapters of Written … Continue reading
Oregon’s fossil forests
Today is National Fossil Day, and half way through Earth Science Week. In honor of the occasion, I present a few notes and photos from a trip I took with my botanist mother to the John Day Fossil Beds in … Continue reading
Snowball Earth no problem for sponges
Evidence from numerous sources seems to be converging to suggest that sponges – the first animals – emerged much earlier than the beginning of the Cambrian, and apparently sailed through severe climatic events in the Cryogenian without much trouble at all. Continue reading
How do we know Gabon’s ‘multicellular’ fossils are 2.1 billion years old?
The fossil record prior to 550 million years ago is so patchy that every discovery is going to cause some fanfare. That is certainly case with these odd looking things, which have been proclaimed in Nature as the oldest mulitcellular … Continue reading
Neoproterozoic signs of life
Whilst the the dawn of the Cambrian clearly marked the diversification of mobile, active animals and biomineralisers, the story of their first origins appear to have begun much earlier.
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Nice plan for content warnings on Mastodon and the Fediverse. Now you need a Mastodon/Fediverse button on this blog.