Vampire microbes sucked some ancient life dry
Punctures in 750-million-year-old eukaryote fossils suggest predation drove self-defense evolution
VAMPIRE DIARIES Fossils from around 750 million years ago show evidence of vampirelike predation similar to that of the modern Vampyrella ulothrichis, shown here eating the innards of green algae.
Norbert Hülsmann/Flickr (CC BY-NC-SA 2.0)