clhs sciblog

In a developing fetus, cones, which help distinguish color during the day, develop before light sensitive rods needed for night vision.  Owl monkeys and capuchin monkeys are said to have evolved from the same ancestor.  Researches say that the eyes in these monkeys have the capability to develop as nocturnal (active at night), or diurnal [...]

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Some wonder, why do some birds sing simple tunes, and others much more complex?  According to studies by the National Evolutionary Synthesis Center, the variance in climate is the largest factor.  The more a climate varies, the more complex songs birds sing.  NESCent researchers have been studying mockingbirds in different climates.  Climate patterns also affect [...]

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