Blue light can actually help older adults sleep — but only if they’re exposed at the right time of day
Blue light often gets a bad rap, probably because most of what we know about it is that it wreaks havoc on our sleep. But new ...
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Spotlight: the blue morpho
Gleaming in the air, the iridescent blue morpho protects itself from predators using the power of light. Native to the rainforests of Mexico, Central America and South America, this bright blue ...