To make new cells, we have to divide existing ones. This is a continuous, frequent and ubiquitous process which starts at conception and ends at death. There are an estimated 37 trillion cells in the tissues and organs of ...
Cell & Microbiology
Nov 28, 2022
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112
The vast majority of vertebrate species living today, including humans, belong to the jawed vertebrate group. The development of articulating jaws during vertebrate evolution was one of the most significant evolutionary transitions ...
Evolution
Nov 25, 2022
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301
About 15 years ago, a group of researchers discovered mutant zebrafish. The eyes of these zebrafish did not develop correctly, resulting in significantly smaller eyes than those of wild zebrafish. Now, one of these researchers—Prof. ...
Cell & Microbiology
Aug 9, 2022
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68
Our family origins tend to shape our future in many ways. A Weizmann Institute of Science study, published today in Nature, found that the same holds true for blood vessels. The researchers discovered blood vessels forming ...
Cell & Microbiology
May 25, 2022
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117
Steroid estrogens play an important role as embryos develop a sense of smell, new research shows.
Cell & Microbiology
Jan 19, 2022
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6
Scientists have made a pivotal breakthrough in understanding the way in which cells communicate with each other.
Cell & Microbiology
Apr 8, 2021
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49
When scientists at the Institute of Science and Technology (IST) Austria looked at developing zebrafish embryos, they observed an abrupt and dramatic change: Within just a few minutes, the solid-like embryonic tissue becomes ...
Cell & Microbiology
Mar 16, 2021
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13
To highlight tumors in the body for cancer diagnosis, doctors can use tiny optical probes (nanoprobes) that light up when they attach to tumors. These nanoprobes allow doctors to detect the location, shape and size of cancers ...
Bio & Medicine
Mar 11, 2021
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74
Mature egg cells and early embryos do not generate their own RNA molecules—instead, they rely on stored maternal RNAs to synthesize their proteins. As the embryo develops, some of these RNAs become superfluous and need ...
Plants & Animals
Mar 10, 2021
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16
Whenever an organism develops and forms organs, a tumor creates metastases or the immune system becomes active in inflammation, cells migrate within the body. As they do, they interact with surrounding tissues which influence ...
Cell & Microbiology
Jan 7, 2021
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