25/02/2020

The census goes digital: 3 things to know

The U.S. Census Bureau is hoping that most people who live in the U.S. will use the internet to answer census questions, rather than filling out a paper form or providing those answers to a census taker in person, at their ...

The genetic secret of night vision

One of the most remarkable characteristics of the vertebrate eye is its retina. Surprisingly, the sensitive portions of the photoreceptor cells are found on the hind side of the retina, meaning that light needs to travel ...

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