Juergen Freund / Paralysis tick (Ixodes holocyclus) responsible for paralysing Spectacled flying foxes (Pteropus conspicillatus) North Queensland, Australia

Juergen Freund / Tubbataha Reef rangers collecting thousands of Crown-of-thorns starfish (Acanthaster planci), an invasive species that has spread in the lagoon in epidemic proportions. Tubbataha Reef National Marine...

Juergen Freund / Crown-of-thorns starfish (Acanthaster planci) in the reef. Tubbataha Reef rangers collect thousands of these invasive animals which have spread in the lagoon in epidemic proportions. Tubbataha Reef Na...

Juergen Freund / Crown-of-thorns starfish (Acanthaster planci) collected by a snorkeler. Tubbataha Reef rangers collect thousands of these invasive animals which have spread in the lagoon in epidemic proportions. Tub...

Karl Ammann / Ba'ka pygmy in Cameroon, West Africa being tested for Ebola virus after eating infected gorilla meat. Close genetic correlation between humans and apes means that many of the same viruses and parasite...