Narcolepsy shows the importance of sleep, bird voiceboxes, neutron star nuclear pasta, manta rays and filtering water, a UV sensing wristband and the colour of bird poop

Quirks and Quarks

What this man with narcolepsy can teach us about getting better sleep; Bird song is unique as well as beautiful - no other animal makes noise this way; 'Nuclear pasta' on a neutron star could support mountains centimetres tall; How manta rays eat could be the secret to filtering pollution from water; No more sunburns: a simple wristband helps us get just the right amount of sun; Why is bird poop white?

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