Ancient Horsetail Plant Makes Alien-Like Water, Scientists Reveal
Researchers studied a 400-million-year-old plant (horsetail) and found that its internal structure acts like a natural distiller, producing water with bizarre oxygen isotope signatures.
ScienceDaily
These isotope patterns resemble those found in meteorites, challenging existing models of how water behaves in biological systems.
ScienceDaily
By understanding this process, scientists can use both living and fossilized horsetails to decode ancient climates and humidity conditions in Earth’s past.