People are having children later than ever before. The average age of new parents in the United States has been rising for at least the past half century.
Cell & Microbiology
Mar 3, 2022
0
70
Roe deer are among the few mammals whose embryos go into a particularly long period of dormancy. Using modern molecular methods, ETH Zurich researchers have shown for the first time exactly what happens to the embryo during ...
Cell & Microbiology
Aug 27, 2021
0
394
Diapause is a phenomenon in which animals and insects foresee changes in the environment and actively reduce metabolism, or halt regular differentiation and development. It is an adaptation strategy for adverse environments ...
Plants & Animals
Apr 13, 2021
0
11
Diapause is a seasonal adaptation strategy of insects and animals in which biological functions are put on hold, such as insect eggs that remain dormant until conditions are more favorable to hatch. This is not a passive ...
Plants & Animals
Dec 22, 2020
0
40
Without enough sugar in their diets, bumblebee queens can experience difficulty reproducing and shorter lifespans.
Ecology
Feb 27, 2020
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318
A team of researchers at Stanford University working with others from the Stowers Institute for Medical Research, the Howard Hughes Medical Institute and The University of British Columbia has uncovered some clues regarding ...
How do some mammals postpone the development of their embryos to await better conditions for having offspring? A recent study at the UW Medicine Institute for Stem Cell and Regenerative Medicine explored this reproductive ...
Cell & Microbiology
Feb 11, 2020
0
262
Putting your pregnancy on pause until the time is right to give birth sounds like something out of a sci-fi novel, but for many mammals what's known as "embryonic diapause" is an essential part of raising their young.
Plants & Animals
Oct 30, 2019
0
4
The fact that millions of North American monarch butterflies fly thousands of miles each fall and somehow manage to find the same overwintering sites in central Mexican forests and along the California coast, year after year, ...
Plants & Animals
Jul 24, 2019
0
43
Unlike normal cells, stem cells are pluripotent—they can become any cell type, which makes them powerful potential treatments for diseases such as diabetes, leukemia and age-related blindness. However, maintaining this ...
Biochemistry
Feb 10, 2016
0
184
