TIL African elephants can exchange information by emitting low-frequency sounds that travel dozens of miles under the ground on the savanna. The sound waves come from the animals' huge vocal cords, and distant elephants “hear” the signals with their highly sensitive feet.
kqed.orgSubmitted by iboughtarock t3_yif71y in todayilearned
christopher1983 t1_it3as61 wrote
Reply to Proposal would ban more than 3 college students from living together in Providence by GhostOpera406
city’s housing shortage. Single-family housing has been recognized as a form of [exclusionary zoning](https://www.kqed.org/news/11840548/the-racist-history-of-single-family-home-zoning). Based on [zoning map](https://www.providenceri.gov/wp-content/uploads/2022/10/22.09.07-Official-Zoning-Maps-2.pdf) and demographic data by ward ([see the bottom