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Researchers simulated experimental rate–pH profiles in terms of species plots in which reverse protonated charged nucleobases interact.
The pH-Dependent Enzyme Kinetics of RibozymesApril 24, 2018
TEMPO is the common name of the chemical compound (2,2,6,6-Tetramethylpiperidin-1-yl)oxyl (chemical formula: (CH2)3(CMe2)2NO).
Selectively Oxidizing Carbohydrates and NucleosidesApril 23, 2018
Liftoff of the SpaceX Falcon 9 rocket carrying NASA's TESS spacecraft.
TESS Has Just Been Launched to Check Out the Near Exoplanet NeighborhoodApril 19, 2018
Deep Carbon Observatory (DCO) environments, techniques and sample types.
Deep Carbon on the EarthApril 19, 2018
Illustration of the Transiting Exoplanet Survey Satellite (TESS) in front of a lava planet orbiting its host star. TESS will identify thousands of potential new planets for further study and observation.
TESS: NASA's Next Planet Hunter Takes to the SkyApril 18, 2018
Geologic map of the Great Smoky Mountains National Park Region, Tennessee and North Carolina. Available at: http://pubs.usgs.gov/of/2005/1225/
Studying Nickel Stable Isotope Compisitons on EarthApril 18, 2018
This artist's concept shows the Origins Spectral Interpretation Resource Identification Security - Regolith Explorer (OSIRIS-REx) spacecraft contacting the asteroid Bennu with the Touch-And-Go Sample Arm Mechanism or TAGSAM.
LARS Due Dates DelayedApril 17, 2018
Petrography and elemental composition of Ediacara Member fossils.
Marine or Terrestrial? Clues to an Ancient Environment in the Ediacaran PeriodApril 17, 2018
Image for Article 3
TESS Launch Now Targeted for WednesdayApril 16, 2018
This composite of enhanced color images of Pluto (lower right) and Charon (upper left), was taken by NASA’s New Horizons spacecraft as it passed through the Pluto system on July 14, 2015. This image highlights the striking differences between them.
Community Pluto Follow-On Missions White Paper AvailableApril 14, 2018
An artist's conception symbolically represents complex organic molecules, known as polycyclic aromatic hydrocarbons (PAHs), seen in the early universe. The large molecules, comprised of carbon and hydrogen, are thought to be among life's building blocks.
UV-Irradiated PAHs in Water IceApril 13, 2018
An artist’s impression of a ‘snowball Earth’.
How Tidally-Locked Planets Could Avoid a ‘Snowball Earth’ FateApril 11, 2018
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