Researchers at University College London have discovered a complex structure inside the rock - a stem with parallel branches - which they say is most likely biological in origin.
The compositions of Earth and Mars are more consistent with those of chondritic meteorites that come from the inner solar system, researchers led by the University of Münster found.
Umweltfreundliches Verfahren zur Synthese organischer Stoffe für Hochleistungsindustrie entwickelt chemie.de - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from chemie.de Daily Mail and Mail on Sunday newspapers.
Modellprojekt für regionale Wasserstoff-Erzeugung ingenieur.de - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from ingenieur.de Daily Mail and Mail on Sunday newspapers.
Lighting striking the surface of planet Earth billions of years ago may have unlocked the phosphorus necessary for the creation of DNA, cells and bones, a new study has revealed.
Researchers at Yale and the University of Leeds say the essential spark may have taken a quintillion - a number with 30 zeroes - lightning strikes over a billion years.
They say these bolts from the blue unlocked the phosphorus necessary for the creation of biomolecules that would be the basis of life on the planet.
Phosphorus is a key ingredient necessary for the formation of life - but it was not easily accessible on Earth billions of years ago, locked inside minerals.