Tag Archive for 'Blue stingray'

The upper (a) and lower (b) surfaces of the purported sand sculpture from South Africa. Image credit: Helm et al.

120,000-Year-Old Stingray Sand ‘Sculpture’ Found in South Africa

Apr 9, 2024 by News Staff

Nelson Mandela University researcher Charles Helm and his colleagues have found an intriguing rock about 30 km (18.6 miles) east of the South African Blombos...