Carnegie Institution for Science

Solar system ice: Source of Earth's water

Scientists have long believed that comets and, or a type of very primitive meteorite called carbonaceous chondrites were the sources of early Earth's volatile elements—which include hydrogen, nitrogen, and carbon—and ...

dateJul 12, 2012 in Space Exploration
shares0 comments 32

Organic carbon from Mars, but not biological

(Phys.org) -- Molecules containing large chains of carbon and hydrogen--the building blocks of all life on Earth--have been the targets of missions to Mars from Viking to the present day. While these molecules have previously ...

dateMay 24, 2012 in Space Exploration
shares0 comments 2

Brown dwarfs reveal exoplanets' secrets

Brown dwarfs are smaller than stars, but more massive than giant planets. As such, they provide a natural link between astronomy and planetary science. However, they also show incredible variation when it comes to size, temperature, ...

dateAug 15, 2016 in Astronomy
shares27 comments 4

New material could advance superconductivity

Scientists have looked for different ways to force hydrogen into a metallic state for decades. A metallic state of hydrogen is a holy grail for materials science because it could be used for superconductors, materials that ...

dateJul 28, 2016 in Superconductivity
shares2242 comments 1

Feeding the world by rewiring plant 'mouths'

Plants have tiny pores on their leaves called stomata—Greek for mouths—through which they take in carbon dioxide from the air and from which water evaporates. New work from the lab of Dominique Bergmann, honorary adjunct ...

dateJul 04, 2016 in Biotechnology
shares276 comments 0