Related topics: human reproduction

An ancient 'Great Leap Forward' for life in the open ocean

It has long been believed that the appearance of complex multicellular life towards the end of the Precambrian (the geologic interval lasting up until 541 million years ago) was facilitated by an increase in oxygen, as revealed ...

Moving beyond agricultural pesticides

The smart use of fertilisers could help reduce global dependence on pesticides in agriculture, and slow the trend of pests developing resistance to the chemicals meant to control them, new research suggests.

We'll rise or fall on the quality of our soil

Great civilisations have fallen because they failed to prevent the degradation of the soils on which they were founded. The modern world could suffer the same fate.

Females fight back in sperm wars

(Phys.org) —Females exposed to a risk of sperm competition have been found to produce more defensive ova compared to the eggs of females reared under no risk of sperm competition, according to researchers at The University ...

More 'choice' than chance in broadcast spawning

Chemical signals used by the eggs of broadcast spawning invertebrates to assist sperm in fertilisation could also play a role in sexual selection, or mate choice.

Solving the bottleneck in biogas production

Agro-biogas plants produce renewable energy, extracting gas produced in the anaerobic fermentation of animal manures mixed with organic wastes from the food sector. One by-product of this fermentation process is a thick liquid ...

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