Tiger sharks with cameras map out the world’s largest seagrass system

Tiger sharks have a strong symbiotic relationship with seagrass ecosystems, playing the role of apex predator to prevent overgrazing by other species while at the same time patrolling the underwater meadows for sustenance. Scientists studying these spe… Continue reading Tiger sharks with cameras map out the world’s largest seagrass system

Biocompatible battery for medical implants is charged via ultrasound

Implantable medical devices such as hearing aids or pacemakers are of huge value, but keeping them charged up can involve clunky external power sources or repeated invasive surgeries to replace depleted batteries. Scientists in Saudi Arabia are putting… Continue reading Biocompatible battery for medical implants is charged via ultrasound