On this week's episode: bone collector caterpillar, dolphins pee on each other, using cars to sample air, and obsidian ...

Friday 25 April at 10:00am, 10:30am, 2:00pm and 2:30pm Monday 28 April to Thursday 1 May at 10:00am, 10:30am, 2:00pm and 2:30pm Saturday 26 April at 1:45am, 10:00pm and 11:05pm Sunday 27 April at ...

From Kirkus, a list of the Best Books of the 21st Century (So Far). I’ve read some of these but want to add the rest to my pile.