When it comes to communicating with each other, some cells may be more "old school" than was previously thought.
Cell & Microbiology
Jul 1, 2015
8
1318
In many animal species, the chromosomes differ between the sexes. The male has a Y chromosome. In some animals, however, for example birds, it is the other way round. In birds, the females have their own sex chromosome, the ...
Biotechnology
Jun 4, 2015
0
42
A group of leading biologists earlier this month called for a halt to the use of a powerful new gene editing technique on humans. Known by the acronym CRISPR, the method allows precise editing of genes for targeted traits, ...
Biotechnology
Mar 26, 2015
0
30
For in vitro fertilization and other assisted reproductive technologies, selecting the healthiest and best swimming sperm from a sample of semen can dramatically increase success. Microfluidics—micro-scale technologies ...
Biotechnology
Mar 19, 2015
0
9
Scientists from Berlin successfully produced embryos from African lions via assisted reproduction. What is genuinely new is the fact that they used immature eggs that were retrieved from African lionesses. After artificial ...
Plants & Animals
Feb 9, 2015
0
44
An international team of researchers from Japan and the UK has discovered how a single protein, called PP4, oversees the processing of DNA during sperm and egg generation for successful fertilization. This protein's activity ...
Biotechnology
Oct 23, 2014
0
0
Why do male animals need millions of sperms every day in order to reproduce? And why are there two sexes anyway? These and related questions are the topic of the latest issue of the research journal Molecular Human Reproduction ...
Plants & Animals
Oct 17, 2014
0
0
A team of biologists from the University of Leicester has solved a mystery surrounding how plants have sex.
Plants & Animals
Jun 6, 2014
0
0
(Phys.org) —The evidence for what causes aging has typically been limited to the study of a single organism's lifespan; our cells divide many times throughout our lives and eventually cause organs and our bodies to age ...
Cell & Microbiology
Apr 25, 2014
0
0
Reproductive cells, such as an egg and sperm, join to form stem cells that can mature into any tissue type. But how do reproductive cells arise? We humans are born with all of the reproductive cells that we will ever produce. ...
Biotechnology
Mar 16, 2014
2
0
