Discovery in South Africa holds oldest evidence of mixing ingredients to make arrow poison
In 1983, archaeologists excavating a cave in South Africa discovered an unusual femur bone. It belonged to an unspecified antelope and was found to be 7,000 years old. X-rays revealed that three ...
From root to shoot: How silicon powers plant resilience
Silicon (Si) is one of the most abundant elements on Earth, found in large quantities in soil. While Si is not essential for land plants, many plants, such as rice and grasses, have used Si to develop ...