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What would we do without the moon?

How would it be on Earth if the Moon had never existed? Would we be in trouble if our celestial satellite were to leave us?

The physics of cross-country skiing

You don’t need a science degree to grasp the physics of Nordic skiing. And even physics nerds need more glide when kicking forward on cross-country skis.

2012: Is Planet X on collision course with Earth?

The end of the world is approaching, according to internet-based groups who believe that Earth will be hit by Planet X, also known as Nibiru, in 2012. But astronomers say there is nothing to indicate that doomsday is just around the corner.

New Year’s rocket science

Here's the full story of what happens after you've lit the fuse of a rocket and run off to a safe distance.

Should dogs be neutered?

It is against the law to neuter dogs in Norway, while in the USA nearly all male dogs are castrated. What is preferable practice for the dogs - and their owners?

How Rudolph keeps his cool

How would you like to go for a run wearing a thick winter fur? Reindeer regulate heat by sticking their tongues out and re-directing their bloodstream.

See early physics instruments

Scientific instruments from the 18th and 19th centuries are now on exhibition in Norway. See photos here.

Rudolph and relatives have UV vision

The reindeer of the high north can see light that is invisible to our eyes. This is a big advantage in a snow white landscape.

Meet Earth's twin planet

All eyes and all telescopes are set on a newly-discovered planet which is strikingly similar to ours.

Practical math in primary schools

Experts disagree about the need for using practical activities to teach mathematics in Norwegian primary schools.

Our ancestors used ape tools

One skill we’ve considered uniquely human is actually ape behaviour.

Can wild animals become overweight?

Under our care dogs and horses can get fat just like human beings. But can animals in nature get too fat?