Neurotoxicological hazard assessment without animal testing

The development of our nervous system in the womb and during the first years of life is a highly complicated process: Nerve cells proliferate by cell division, specialize, change their position in the tissue and interconnect ...

Learning about human cancer from fruit flies

Scientists in Singapore and Spain have gained new insights into the activity of a tumor-suppressor protein in fruit flies that could aid the understanding of some human cancers. The study, published in PLOS Biology, might ...

Aggression de-escalation gene identified in fruit flies

The brain mechanisms that cause aggressive behavior have been well studied. Far less understood are the processes that tell the body when it's time to stop fighting. Now, a new study by Salk scientists identifies a gene and ...

Artificial gravity provides partial protection for biology in space

Space travel to the moon, Mars, and beyond can expose astronauts to extreme conditions, causing potential health issues. To prepare for future long-duration missions, NASA studies how the effects of space—changes in gravity, ...

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