Related topics: sperm · fertilizer · offspring · birds · embryos

Researchers reveal why heat stress damages sperm

University of Oregon biologists have used the model organism Caenorhabditis elegans to identify molecular mechanisms that produce DNA damage in sperm and contribute to male infertility following exposure to heat.

Tracking sea turtle egg traffickers with GPS-enabled decoy eggs

By placing 3-D-printed and GPS-enabled decoy sea turtle eggs into nests on the beach, it's possible to gather key evidence needed to expose rampant illegal trade of the eggs, suggests a study publishing in the journal Current ...

Sex cells have a sweet tooth, and they pass it on to the brain

Our job seems easy when compared with that of our cells. While they are hard at work, breaking some molecules and building others, we mainly have to do one thing—feed them. But what exactly should we feed them? This is ...

More eggs harvested from last 2 northern white rhinos

An international team of scientists said they successfully extracted eggs from the last two remaining northern white rhinos, a step on the way to possibly saving the subspecies from extinction.

Surprising coral spawning features revealed

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 ...

Algal symbiosis could shed light on dark ocean

New research has revealed a surprise twist in the symbiotic relationship between a type of salamander and the alga that lives inside its eggs. A new paper in Frontiers in Microbiology reports that the eggs compete with the ...

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