The LLE-LTP coupled with HPLC-DAD was faster, simpler and required fewer sample handling steps than many methodologies described in literature for analyzing 2,3,7,8-TCDD and 2,3,7,8-TCDF in aqueous ...

A view of eight sample trays containing the final material from asteroid Bennu. The dust and rocks were poured into the trays from the top plate of the Touch-and-Go Sample Acquisition Mechanism ...

In October 2020, a van-sized robotic spacecraft briefly touched down on the surface of Bennu, a 525-meter-wide asteroid 320 million kilometers from Earth. As part of NASA's OSIRIS-REx mission, the ...