South American peopling and neotropical savannisation

Northern South America is covered by extensive savannas whose natural or anthropogenic origin is debated. Currently, these savannas are in expansion to the detriment of the surrounding rainforests due to fire management by humans. Knowing the origin and historical development of these savannas i...

By Valentí Rull

Stonehenge A Neolithic Beacon: Design Imitates Star

When lit from within with one large fire or multiple fires, and observed from above, the standing stones that comprise Stonehenge split the light rays creating a radiating effect similar in appearance to a star. ( Attachment) Neolithic People did not know what stars were and may have related ...

By Erica Neumann