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

Great Barrier Reef annual mass coral spawning begins

A mass coral spawning has begun on Australia's Great Barrier Reef, with early indications the annual event could be among the biggest in recent years, local marine biologists said Sunday.

Fertilization discovery reveals new role for the egg

An unexpected discovery about fertilization from the University of Virginia School of Medicine reveals new insights on how sperm and egg fuse and could have major implications for couples battling infertility—and may lead ...

Rare Bangladesh crocodile lays eggs in new hope for species

A rare river-dwelling crocodile has started to lay eggs after being paired with an introduced male, Bangladesh conservationists said Sunday, raising hopes a successful hatching could save the critically endangered species ...

First method to differentiate the four egg types

In the European Union, hen eggs are labeled with a code starting with numerals 0, 1, 2 or 3, depending on whether the hens are organically produced, free-range, floor-raised or caged, respectively. Now, researchers at the ...

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