Prokaryotic single-celled organisms, the ancestors of modern-day bacteria and archaea, are the most ancient form of life on our planet, first appearing roughly 3.5 billion years ago. The first eukaryotic cells appeared around ...
Evolution
Mar 13, 2024
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25
Single-celled organisms, such as bacteria and archaea, have developed many ways to communicate with each other. For example, they might use tiny so-called extracellular vesicles (EVs)—membrane-enveloped packages smaller ...
Cell & Microbiology
Feb 27, 2024
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7
The search for life beyond Earth fascinates many and inspires big questions: Are we truly alone in the universe? Is our Earth unique? Is it possible that life beyond Earth may actually be far from little green aliens and ...
Astrobiology
Feb 19, 2024
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29
When Profs. Joel Sussman and Israel Silman were asked to mentor Chinese students online during the COVID-19 pandemic, the last thing they expected to come out of the experience was highly innovative research on protein evolution ...
Biotechnology
Feb 14, 2024
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25
Researchers in the lab of John Kuriyan, professor of biochemistry and dean of the School of Medicine Basic Sciences, have revealed a key element of how a molecular machine responsible for high-speed DNA replication works. ...
Molecular & Computational biology
Feb 9, 2024
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50
Zebrafish are smaller than your little finger, with a brain no more than half the size of a pinhead. Yet these animals possess an efficient navigation system that enables them to find their way back to spots in the water ...
Plants & Animals
Feb 1, 2024
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10
If you still remember that "Dear King Phillip Came Over For Good Spaghetti," you'll likely also recall the corresponding taxonomic ranks of biology: domain, kingdom, phylum, class, order, family, genus and species. The domains ...
Evolution
Jan 15, 2024
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92
CU Boulder geologist Brian Hynek has helped to document what may be a unique kind of ecosystem on Earth—and a possible window into the earliest stages of life on this planet 3.5 billion years ago, and even life on ancient ...
Earth Sciences
Dec 6, 2023
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47
The fossil calciferous skeletons of single-celled foraminifers are a beautiful history book with information on CO2-levels in the oceans of the distant past.
Earth Sciences
Nov 27, 2023
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47
For the first time, it was shown in living cells how the bacterium E. coli regulates genes that help it survive in a new environment. Biochemist Fatema Zahra Rashid managed to do this using a technique she fine-tuned. Her ...
Cell & Microbiology
Nov 21, 2023
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