Atmospheric oxygen

Green Impact Scientists discover oxygen trapped deep inside Earth’s magma, possibly explaining the rise of early life

Oxygen-rich laboratory melts retained extra oxygen under pressure, revealing a possible transport mechanism within Earth.

Green Impact Ancient ocean chemistry may explain how Earth kept its oxygen Joshua Shavit

Green Impact ‘Snowball Earth’ repeatedly thawed during a 56-million-year ice age Rebecca Shavit

Discoveries Why don’t giant prehistoric insects still exist?Hannah Shavit-Weiner