A new study by Simon Fraser University marine ecologists Jessica Schultz, Ryan Cloutier and Isabelle Côté has discovered that a mass mortality of sea stars resulted in a domino effect on B.C.'s West Coast Howe Sound marine ecology.

A molecule that enables strong communication between our brain and muscles appears to also aid essential communication between our neurons, scientists report.

Male and female of the beautiful demoiselle (Calopteryx virgo) in the so-called "mating wheel". Traditionally, the evolutionary development of an insect species has been explained by the notion that the female insect chooses her male partner based on size and other factors, so-called assortative mating. These mating patterns have also been believed to partially explain how the isolation between different species is maintained.

The new stem cell-containing bio ink allows 3D printing of living tissue, known as bio-printing.