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Rats

For rodents, seeing is believing. It’s never easy to orientate oneself in a new place - that applies to rats as well. Researchers have examined how the brains of rats cope with the challenge. They wanted to find out whether rats rely most on what they see, or on their directional sense when navigating through space. Source 9r.

Rats

Blue light at night increases the consumption of sweets in rats. A new study demonstrates that just one hour of exposure to blue light at night -- the kind of light produced by the screens of our many devices -- raises blood sugar levels and increases sugar consumption in male rats. Source 5c.