New WHO rules will help to prevent pandemics

The World Health Organization has some new rules to limit the spread of infectious diseases between countries. The rules require countries to report health threats.

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DNA play structure

Here’s how to make science education painless:


These South Asian children are absorbing the basic concepts of DNA structure as they play. I imagine that when they get to their first serious biology class, they won’t have any trouble understanding the double helix.

Astronomy picture of the day

Planetary nebula M2-9 has been studied for some years. Here is a series of pictures, which you can also view as a video clip showing how the features of the nebula move from west to east over time.

To see today’s picture, click here: Astronomy Picture of the Day.

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