Sand is an important natural resource that helps in maintaining biodiversity. However due to its excessive economic usage it is now depleting faster than its capacity to replenish in Kenya.

Bare rivers in Kenya: Sand harvesting is a dire issue in Kenya

Doctors at Duke University say they have performed a first-of-its-kind heart transplant on a six-month-old boy that can help prevent organ rejection. They have managed to achieve this feat by implanting some thymus tissue matching the donated organ.

In a first, doctors perform unique heart transplantation on baby cutting risk of organ rejection

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