On repurposing cell phones in Brazil, Ecuador, and Peru

On repurposing cell phones in Brazil, Ecuador, and Peru

A surveillance system made from repurposed cellphones is helping deter illegal logging in the Amazon. From 2001 to 2018, Brazil lost more than 100 million acres of tree cover. Instead of relying on park rangers to wander the forest and pick out sounds of logging...
Why is Cuba having the healthiest bees?

Why is Cuba having the healthiest bees?

A Blessing for Bees (Excerpts) Many of us are aware that bees are facing possibly the most critical period of their existence on earth. Some years ago, in one region in China, the excessive use of pesticides had totally eliminated the bees  and trees were pollinated...