Flu season is underway in the Northern Hemisphere, sickening millions of people and in rare cases, causing hospitalization or death. The best prevention is a flu shot, but it's not unusual for these vaccines to be less effective ...
Other
Jan 8, 2020
0
11
A team of scientists in Sweden has broken open the genetic recipe for a human embryo's first three days of development, chronicling what happens in the crucial hours that follow the union of egg and sperm.
Biotechnology
Sep 4, 2015
25
69
Scientists at the Max Planck Institute of Molecular Plant Physiology in Potsdam (Germany) analyzed the inheritance of chloroplasts under different environmental conditions in almost 4 million tobacco plants.
Plants & Animals
Jan 16, 2023
1
26
When stony corals have their renowned mass spawning events, in sync with the moon's cycle, colonies simultaneously release an underwater 'cloud' of sperm and eggs for fertilization. But how do the sperm and eggs survive several ...
Plants & Animals
Aug 18, 2020
0
24
A virus that infects koalas is steadily integrating itself into their DNA, ensuring that it is passed down from generation to generation. But the koala genome is defending itself, revealing that DNA has its own immune system ...
Biotechnology
Oct 11, 2019
0
14
Since female mammals are born with a limited number of egg cells, most of the egg cells wait in a dormant state before maturing later in life to ensure a long period of fertility. However, how this dormant state is achieved ...
Plants & Animals
Jun 26, 2019
0
1
A single shot into the muscle is enough to stop egg and sperm production in mice, report California Institute of Technology scientists on October 5 in Current Biology. The injection delivers packaged DNA into muscle cells, ...
Plants & Animals
Oct 5, 2015
0
46
The hamlet fish can be both the father and mother of its offspring – a characteristic that is helping researchers to understand why genes often undergo recombination more readily in one sex.
Cell & Microbiology
Jan 18, 2017
0
161
Biologists at the University of Pennsylvania studying oocytes in mice, the immature egg cells necessary for sexual reproduction, have demonstrated an unusual behavior in microRNA, or miRNA, activity that may be the first ...
Cell & Microbiology
Feb 3, 2010
0
0
For cell division to be successful, pairs of chromosomes have to line up just right before being swept into their new cells, like the opening of a theater curtain. They accomplish this feat in part thanks to structures called ...
Cell & Microbiology
Jul 6, 2015
0
41
