Contrary to common belief, not all viruses are harmful to their hosts. Sometimes viruses can even protect their hosts from infection by other viruses. Scientists at the Max-Planck-Institute for Medical Research in Heidelberg ...
Cell & Microbiology
Mar 13, 2024
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1
Horodyskia, characterized by a string of beads with uniform size and spacing, is a kind of macroscopic fossil with a record extending from the early Mesoproterozoic Era (~1.48 Ga) to the terminal Ediacaran Period (~550 Ma).
Evolution
Apr 21, 2023
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67
Amoebae receive surprising support in defense against viruses: The bacteria they are infected with prevent them from being destroyed by giant viruses. A research team led by microbiologist Matthias Horn from the Center for ...
Cell & Microbiology
Aug 29, 2022
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54
Galápagos giant tortoises can weigh well over 300 pounds and often live over 100 years. So what's the secret to their evolutionary success?
Plants & Animals
Nov 19, 2021
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408
The hemoglobin in the red blood cells ensures that our body cells receive sufficient oxygen. When the blood pigment is broken down, heme is produced, which in turn can influence the protein cocktail in the blood. Researchers ...
Cell & Microbiology
Sep 4, 2020
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5
In satellite photos of the Earth, clouds of bright green bloom across the surface of lakes and oceans as algae populations explode in nutrient-rich water. From the air, the algae appear to be the primary players in the ecological ...
Cell & Microbiology
Apr 6, 2020
3
1003
Viruses are probably the most peculiar "life forms" known to us, with each species having unique characteristics. One thing common to all viruses is that they attack a "host" cell and hijack its machinery, using it for its ...
Cell & Microbiology
Jan 21, 2020
0
10
Until recently, scientists thought of viruses as mostly small infectious agents, tiny compared to typical bacteria and human cells. So imagine the surprise when biologist Jeff Blanchard and Ph.D. student Lauren Alteio at ...
Cell & Microbiology
Nov 19, 2018
1
784
What is the process that allows plant and animal organs to produce different specialized cells from an original set of identical cells? In the case of small and giant cells found in the sepals – the leaf-like covering of ...
Cell & Microbiology
Mar 7, 2017
0
16
Can helium bond with other elements to form a stable compound? Students attentive to Utah State University professor Alex Boldyrev's introductory chemistry lectures would immediately respond "no." And they'd be correct – ...
Materials Science
Feb 6, 2017
1
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