Study finds evidence of 55 new chemicals in people

Scientists at UC San Francisco have detected 109 chemicals in a study of pregnant women, including 55 chemicals never before reported in people and 42 "mystery chemicals," whose sources and uses are unknown.

Human cloning with Chinese characteristics

Chinese genetic scientists must not be put off sensitive research by ethical concerns, the team behind a controversial study on modified human embryos said Wednesday as debate erupted over the paper.

'Old' sperm produces healthier offspring

Sperm that live for longer before fertilising an egg produce healthier offspring—according to new research from the University of East Anglia and Uppsala University in Sweden.

Even for cows, less can be more

With little research on how nutrition affects reproductive performance in dairy cows, it is generally believed that a cow needs a higher energy intake before calving. Research by University of Illinois scientists challenges ...

Malaria parasite goes bananas before sex: new study

(PhysOrg.com) -- New research from the University of Melbourne shows how the malaria parasite (Plasmodium falciparum) changes into a banana shape before sexual reproduction, a finding that could provide targets for vaccine ...

New study reveals responses of genes in females to sex

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.

Patent issued for beneficial animal 'candy'

A U.S. patent has been granted to a Kansas State University-developed "candy" that stimulates the growth, health and reproductive functions of cattle, bulls and other livestock.

Why biodiversity is key to our survival

Diversity, be it genetic, morphological, behavioural or ecological, is at the heart of many controversies. It fascinates us or worries us, depending on the context. But what is biological diversity? How useful is it, how ...

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