Concept: Pleistocene
Baranof Island glaciers persisted into the Holocene and then retreated rapidly
Glacier retreat acceleration on Baranof Island, Alaska
Palynology supports reclassifying Belovezhian substages in Belarus
Ancient pollen reveals three distinct climate periods in Pleistocene Belarus
Poison traces found on 60,000-year-old Southern African microliths
Ancient hunters used toxic plant alkaloids on stone arrowheads 60,000 years ago
