The iNaturalist cellphone app not only helps users identify plant, animal and insect species; it also provides invaluable data to scientists studying biodiversity, species decline, and habitat loss - and, as Martha Stewart discovers, it's fun!
Iranian missiles hit southern Israel overnight near its main nuclear facility at Dimona, injuring at least 170 people according to the authorities and causing heavy destruction. Charlie D'Agata reports from the worst-hit town of Arad.
