hmountain
hmountain t1_j543da7 wrote
Reply to comment by CanterburyTerrier in Ancient humans and their early depictions of the universe: “It is no exaggeration to say that astronomy has existed as an exact science for more than five millennia,” writes the late science historian John North. by clayt6
Kepler was several hundred years later than Shen Kuo of china who described “willow leaf” shaped motion of planets and retrograde motion in the 11th century AD.
hmountain t1_j2amp00 wrote
Reply to comment by HauntedReader in Best way to purchase books to support the authors by Vizzenya
it's not just the alt-right, the right has been trying to cut public programs including library funding for at least half a century
hmountain t1_j5p40i3 wrote
Reply to comment by bcanddc in The Key to California’s Survival Is Hidden Underground The state is ping-ponging between severe drought and catastrophic flooding. The solution to both? Making the landscape spongier. by Sariel007
Why build reservoirs when we have aquifers already?