Bond, G. et al. "The North Atlantic's 1-2 kyr climate rhythm: Relation to Heinrich Events, Dansgaard/Oeschger Cycles and the Little Ice Age," In Mechanisms of Global Climate Change at Millennial ...
During the past billion years, the Earth's climate has fluctuated between warm periods - sometimes even completely ice-free - and cold periods, when glaciers scoured the continents. The cold ...
Henri Breuli/Durham University/PA Wire Dots like these from 23,000 years ago helped Ice Age hunter-gatherers survive ... by working out the birth cycles of similar present-day animals, they ...
Using the birth cycles of equivalent animals today as a ... Prof Pettitt said: "The results show that Ice Age hunter-gatherers were the first to use a systematic calendar and marks to record ...