“The reverberation time lasted about 0.6 seconds inside [Stonehenge’s] circle for mid-frequency sounds—ideal for amplifying human speech, or the sounds of musical instruments like drums.”
“The reverberation time lasted about 0.6 seconds inside [Stonehenge’s] circle for mid-frequency sounds—ideal for amplifying human speech, or the sounds of musical instruments like drums.”
“Madgwick and his colleagues found strontium isotope ratios representing every major geological area in Britain, and oxygen and carbon isotope ratios were also all over the map, suggesting that the pigs who ended up at the four sites had been reared in diverse landscapes.”