Sci-tech correspondent for Discovery News, Washington Post and BBC/PRI The World. Contributing editor at C&EN.
Big (Hurricane) Bertha brushes off Bermuda.
Giant 60s-era centrifuge can hit 30 g's #NASAsocial
Pumpkin Venn diagram: intersection of deliciousness
Ipanema, Baby! (under clouds)
Flying from Sao Paulo to Rio on Gol Airlines. Waiting for soccer game to break out in the aisle.
Beer of choice while writing about the frozen continent in Brazil
Watching Venus's transit via laptop on top of MIT bldg 37. Too cloudy
Cuttlefish on patrol #mblscijourn12
Catch of the day: summer flounder. #mblscijourn12
Catching squid off the Woods Hole pier. #mblscijourn12 #yumyum
Blast from the past: pulling up core of 6,000 yr old swamp mud deep in Harvard Forest #mblscijourn12
Beautiful morning in Woods Hole. Ready for science camp to begin #MBL
Hi to Baylee Grace and all the first graders at Orange Beach Elementary! #Antarctica
Sammy the Weddell seal takes a sunbath in front of Scott Base #Antarctica
Dropping 50,000 year-old ice core back into its hole on Taylor Glacier, #Antarctica. Weird sound a total blast. #NSF
Adelie penguins and Mt. Erebus. Icons of #Antarctica.
Provisions from Scott's ill-fated 1911 race to #South Pole. Seal blubber, lamp oil and biscuits at Discovery Hut.
About to eat a giant #Antarctic isopod inside McMurdo's biology lab.
This is McMurdo Station, town of almost 1,000 on island off #Antarctic coast. 3 briefings today, South Pole tomorrow.
Landed this morning at McMurdo Station, #Antarctica. Overcast and 25 w/some snow. Views of endless glaciers from C-17.
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