Top news for December 21, 2008

Chlorinated Drinking Water Doesn’t Disrupt Healthy Gut Microbiomes in Young Children

On This Day In Space: May 25, 2008: NASA's Phoenix spacecraft lands on Mars

Starlink: SpaceX's satellite internet project

NASA's Artemis 1 moon mission: Live updates

Covid Smell Loss Linked To Damage In Brain, Study Finds

How to Choose a Mental Health App

Is Netflix Transforming How Hollywood Approaches Climate Change?

Complex Life May Have Started on Earth Much Earlier Than We Thought

Nasa scientists spy 'largest comet ever seen'. Nasa's Hubble telescope has determined the comet's icy nucleus has a mass of about 500 trillion tonnes and is 85 miles (137km) wide - larger than the US state of Rhode Island.

In Europe, there were almost 370000 deaths attributed to air pollution in 2019, compared to 640000 in 1990, a 42% decrease in 30 years. Also, the majority (90.4%) of all deaths were associated with ambient particulate matter (PM2.5). Check out how each European country is doing in this paper.