This week, how a bird sees colour, modifying Mars, and linking extreme weather to our changing climate.

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In this episode:

00:54 Modifying Mars鈥檚 atmosphere

A lack of carbon dioxide might hamper efforts to make the Red Planet habitable. Research Paper: Jakosky & Edwards

08:52 How discerning zebra finches discern colour

New research shows that female zebra finches can differentiate orange from red. Research paper: Caves et al.

15:09 Research Highlights

A dinosaur with giant feet, and record breaking nanoparticles. Research Highlight: A 锘縟inosaur that stomped the Jurassic scene on size XXXXL feet; Research Highlight: Pirouetting particles twirl at one billion times a second

16:47 Linking extreme weather to climate change

Researchers are working on systems to rapidly attribute extreme weather events to climate change. News Feature: Droughts, heatwaves and floods: How to tell when climate change is to blame

23:30 News Chat

Evidence of a liquid lake on Mars, and using a giant black hole to test a gravitational phenomenon. News: There鈥檚 water on Mars! Signs of buried lake tantalize scientists; News: Milky Way鈥檚 black hole provides long-sought test of Einstein鈥檚 general relativity

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