ALIEN HUNT: How Scientists Are Tracking Down Life in Space

Full Episode description

Get ready for another BIG and BRILLIANT adventure into the world of science on this week’s Science Weekly!

With snow falling across the country, we’re uncovering the cool science behind why snow is white, and then tuning into the Universe to explore the secret signals streaming across our galaxies.

In Science in the News, scientists warn that great white sharks could vanish from the Mediterranean, renewable energy has smashed records across the UK, and Katherine Brown explains how the world around us shapes what we think, want and choose following the UK’s new junk food advertising ban.

Then it’s time for your questions! Henry wants to know why mammals do not lay eggs, and Kirsty McCabe explains the surprising science behind why snow is white.

Dangerous Dan returns with a truly strange creature from the past… the gigantic and mysterious Deinocheirus.

And in Battle of the Sciences, Steven Tingay from Curtin University takes us deep into the world of radio astronomy, revealing how scientists listen to the Universe.

Plus, we blast off with Space Camp to discover where weather really comes from and how satellites help us track storms, pollution and climate change.

This week, we learn about:

• Why snow looks white instead of clear

• Why mammals do not lay eggs

• The danger facing great white sharks

• How scientists listen to space using radio waves

• Why weather satellites are so important for Earth

All that and more on this week’s Science Weekly!

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