For a mammal's sperm to succeed, it must complete the swim of its life to reach and fertilize an egg. That's easier if it swims through water, not goo.
Saltwater crocodiles are not endangered, but their natural range has been greatly reduced. Formerly dominant in estuaries throughout South-East Asia, they now roam wildly in only a handful of countries. Habitat loss and deadly ...
Study demonstrates rapid decline in male dog fertility, with potential link to environmental contaminants
A study led by researchers at The University of Nottingham has discovered that the fertility of dogs may have suffered a sharp decline over the past three decades.
University of Queensland research into the chilled storage of koala semen has major implications for the assisted breeding and genetic diversity of captive and wild populations.
Unconventional oil and gas (UOG) operations combine directional drilling and hydraulic fracturing, or "fracking," to release natural gas from underground rock. Recent discussions have centered on potential air and water pollution ...
(Phys.org) —Washington State University researchers are preparing to use liquid nitrogen to create a frozen semen bank from select U.S. and European honey bee colonies.
Although U.S. cattle genetics are exported all over the world in the form of frozen semen, the same is not true for pigs because boar semen does not freeze well. In an attempt to improve semen storage and pig reproduction, ...
(AP)—The scientists and fishermen on board the Ocearch, a repurposed crabbing vessel, received word that their scouting boat had hooked a great white shark, sparking a flurry of activity.
Sex can trigger remarkable female responses including altered fertility, immunity, libido, eating and sleep patterns—by the activation of diverse sets of genes, according to research from the University of East Anglia.