New Year, New USGS Store, New #FreeMapMonday!
It's #FreeMapMonday! Re-tweet and follow us for a chance to win the classic map of the Grand Canyon! Don't forget to check out the new and improved USGS Store at https://t.co/5FEYEKj9wh!
#USGSStore (U.S. residents only)
Everyone could use some Raffy in their life.
RT for a chance to win a Raffy signed ball!
Sweepstakes ending 1/13/23 11:59pm ET: https://t.co/4k3XWcDD44
In a new paper published in "Science Advances," JILA and @nist Fellows Jun Ye and Ana Maria Rey collaborate to engineer a new design of atomic clock, which lead to a breakthrough in the precision achievable in state-of-the-art optical atomic clocks.
https://t.co/ZrKLEtqtoh
Juneteenth is approaching and Colorado still has legal slavery - and Governor Polis is fighting to protect it. Sign our petition to demand he stops enforcing slavery
https://t.co/tYViajxXup