• Scorchio! Temperatures on exoplanet K2-229 b reach 2033 kelvin, or 1760°C (31 March, p 16).
• Tyler Hern joined the mussel team at the White Sulphur Springs National Fish Hatchery in West Virginia after it first raised purple cat's paw mussels (10 March, p 38).
• The caves in northern Italy where Marco Peresani and colleagues found evidence of Neanderthals butchering bears are called Rio Secco and Fumane (31 March, p 10).
