Killer sperm in nematode worms prevent cross-breeding between different species, according to a new study. Nematodes are a diverse phylum of animals, with tubular digestive systems at each end.

"Cross-species Mating May Be Evolutionarily Important And Lead To Rapid Change, Say Indiana University Researchers." ScienceDaily. www.sciencedaily.com / releases / 2003 / 08 / 030808081854.htm ...

The Netherlands Organisation for Applied Scientific Research (TNO) has ended its investigation into a series of fire accidents involving rooftop PV systems last year. The probe was begun in September ...

An international study has shown that mating between domesticated dogs and wild wolves over hundreds of years has left a genetic mark on the wolf gene pool. Mating between domesticated dogs and wild ...

I have a ranch in Mpeketoni where I keep cows and wish to cross breed them so that I can increase their number and possibly milk production. Advise on how I can go about this. Cross breeding is an ...

Australia's largest predator, the dingo, is resistant to one of the main threats to its survival as a species -- changes to skull shape brought about by cross breeding (hybridisation) with dogs, ...

This is an old article, reposted from the original WordPress incarnation of Not Exactly Rocket Science. I’m travelling around at the moment so the next few weeks will have some classic pieces and a ...

DURHAM, England, May 22 (UPI) -- Cross-breeding of dogs over thousands of years has made modern dogs genetically "disconnected" from their ancient ancestors, British researchers say. An analysis of ...

Some observed genetic correlations between human traits can be explained by cross-trait assortative mating – an individual’s tendency to choose mates with specific phenotypic characteristics that have ...