Why 25?
Pondering about the origins of Christmas and meanings that people give to events, while waiting for the New Year.
Pondering about the origins of Christmas and meanings that people give to events, while waiting for the New Year.
My first cultural encounter, years ago prepared me in an unexpected way about how to be more
Food habits on Earth developed according to availability of food. But now they are part of the cultural landscape. What happens when you move countries? O
It’s nearly Christmas and you’re wondering what to buy that budding astronomer you know. Here’s some advice on where to start so you get them hooked on astronomy.
(And we can do something about it.)
Life needs CHNOPS, the six essential elements Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, and Sulphur. Curiosity found them on ancient Mars, but a new study shows Earth was born without them. Only a lucky impact with Theia made our world habitable. In contrast, Venus never stood a chance. Meet the three planetary siblings and discover why only Earth became a cradle for life.
Mars’s mantle contains ancient fragments up to 4km wide from its formation—preserved like geological fossils from the planet’s violent early history.
Cosmic rays are hitting the atmosphere constantly. One of the products of the collisions is muons, and we can detect muons on the surface of the Earth to learn about the cosmic rays.
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