Week in wildlife: a fishing anhinga, a northern nutcracker and cuddling seals

Study unravels healing powers of cold temperatures and say they could even help us live longer

Targeting muscles could provide organism-wide protection from ageing-related conditions, scientists say

Ancient cupboard sealed for 2,000 years sheds light on Pompeii before Vesuvius' deadly eruption

Mount Vesuvius buried the once-thriving Roman city under metres of ash in a volcanic eruption in AD 79

Biodiversity Cop17 seems to be stalling. Is it time to reform the process?

In this week’s newsletter: There are too many meetings, and not enough decisions, say experts – and time is running out …