Water purification by cactus
According to an old Mexican custom, boiling dirty river water with prickly pear cactus transforms the water from unpalatable to clear and […]
Month: April 2016
Rethinking Easter Island
Scientists are using new evidence and a multidisciplinary approach to revise our understanding of the events that caused civilization on Easter Island […]
Imitation may help Alzheimer’s patients
Alzheimer’s patients can still mimic simple gestures, suggesting that this might be a useful strategy for rehabilitation. Read more in my piece […]