Vikings were in North America by 1021 CE
Nobel Intent,
Enlarge / Aerial image of L'Anse aux Meadows, Newfoundland, Canada. (credit: Glenn Nagel Photography) Centuries before…
Enlarge / Aerial image of L'Anse aux Meadows, Newfoundland, Canada. (credit: Glenn Nagel Photography) Centuries before…
Grafico di mille anni d’attività solare coì come ricostruita nello studio (linee blu del grafico). Le precedenti registrazioni…
Aurore boréale en Norvège. © Frank Olsen. C’EST une jolie histoire de science, celle d’un mystérieux événement survenu il y a…
http://arxiv.org/abs/1612.01106 Recently, a significant carbon-14 enhancement in the year 994 in tree rings has been…