The abundance of tungsten-182 in lunar metals implies that an extensive magma ocean on the moon solidified about 45 million years after formation of the solar system.

The paralytic effects of a snake venom on neuromuscular synapses are mimicked by a mixture of fatty acids and lipids, suggesting its mechanism of action.

In nematodes, a newly recognized checkpoint prevents meiosis unless the homologous chromosomes are paired, and a second checkpoint validates proper recombination.