Why did Clovis toolmakers choose difficult quartz crystal?(phys.org)36 points by PaulHoule 5 months ago | 22 comments
Monumental ship burial beneath ancient Norwegian mound predates the Viking Age(phys.org)82 points by pseudolus 6 months ago | 21 comments
Colorado River disappeared record for 5M years: now we know where it was(phys.org)48 points by wglb 6 months ago | 9 comments
Deep under Antarctic ice, a long-predicted cosmic whisper breaks through(phys.org)98 points by rbanffy 6 months ago | 39 comments
Physicists revive 1990s laser concept to propose a next-generation atomic clock(phys.org)51 points by wglb 6 months ago | 8 comments
US–Indian space mission maps extreme subsidence in Mexico City(phys.org)208 points by leopoldj 5 months ago | 72 comments
