Sun Yat-sen University

For some time now, we've been hearing about "bistable" devices that can remain in either of two states without expending any energy. A new one, inspired by plant seed pods, takes the form of a robotic gripper which is strong yet easily activated.

New research found that elevated levels of ‘good cholesterol’ were associated with an increased risk of glaucoma, which can lead to vision loss. The findings call for reconsidering the hypothesis that good cholesterol universally benefits health.