The world is losing plants at an unprecedented rate with around one in five thought to be at risk of extinction. The race is on to store back-up copies in seed banks.
Christa Larwood visits the UCL Pathology Museum usually reserved for the eyes of medical students.
Scientists spent several days trekking through rural Borneo to find the 40,000-year-old artwork.
The Dynasties crew took a rare decision to intervene when a group of stranded emperor penguins faced death.