Most animals, including humans, have bilateral symmetry, which means our bodies are pretty symmetrical. At least on the ...

Scientists have uncovered a key mechanism in jellyfish embryos that provides new insights into how the body plan of these ...

This is especially problematic in cases of blocked blood vessels, which can repeatedly starve large areas of the heart of ...

Many animals show signs of high intelligence, including strong memory, self-awareness and communication skills.

This internal left-right asymmetry is believed to begin at the very early stage of development -- when a tiny embryo is divided into two parts during a process called gastrulation. This process ...

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What has puzzled researchers and philosophers for many centuries is the ‘why’ of sleep, along with the ‘how’. We human ...

It can be seen as a set of instructions that tells cells where to grow and how to form an animal’s body shape, including ...

A bipartisan group of U.S. senators has reintroduced legislation to push the Food and Drug Administration to adopt modern ...

Plans are now ramping up for a new animal shelter, a prospect that the Multnomah County estimates could cost anywhere between ...