60,000-year-old traces of world's oldest arrow poison reveal early advanced hunting techniques

Researchers from South Africa and Sweden have found the oldest traces of arrow poison in the world to date. On ...

Scientists Discover Oldest Poison, on 60,000-Year-Old Arrows

Residues on arrow tips found in South Africa hint at how far back in history humans have been using poison for survival.

Arrow tips found in South Africa are the oldest evidence of poison use in hunting

The discovery that small stone arrow tips were treated with plant poison 60,000 years ago means that ancient African hunters ...
The Connecticut Mirror

hydrilla-identification

Hydrilla stems grow up from the sediment to the surface of the water. At the water’s surface, stems are highly branched, forming dense mats of vegetation. Stems produce reproductive structures called ...