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

How egg cells store proteins for the beginning of a new life

When mammals have offspring, they invest a lot. Unlike fish or frogs, the embryo cannot develop on its own. It has to implant in the uterus, where it is supplied with everything it needs to survive. Until this happens, the ...

Understanding drivers of egg cell development

Northwestern Medicine scientists have identified how cytoskeletal proteins contribute to the growth of developing eggs in fruit flies, findings that further the field's understanding of how egg cells form and differentiate ...

Hubble views a glistening red nebula Westerhout 5

Just in time for the fall foliage season, this image from the NASA/ESA Hubble Space Telescope features a glistening scene in red. It reveals a small region of the nebula Westerhout 5, which lies about 7,000 light-years from ...

Mature sperm lack intact mitochondrial DNA, study finds

New research provides insight about the bedrock scientific principle that mitochondrial DNA—the distinct genetic code embedded in the organelle that serves as the powerplant of every cell in the body—is exclusively passed ...

Researcher hatches new technology to save endangered birds

A researcher from the Texas A&M School of Veterinary Medicine and Biomedical Sciences (VMBS) is creating "smart eggs," unique data collection devices to promote reproduction in endangered bird populations.

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