Researchers have discovered that breathing affects pupil size, with the pupil being smallest during inhalation and largest ...

For more than a century, scientists have understood that three factors control pupil size: light, focus distance, and cognitive processes like emotions or mental effort. Now, researchers at Karolinska ...

US President Donald Trump criticized $21 million funding for voter turnout in India and $29 million to strengthen Bangladesh's political landscape. He questioned the allocation of such substantial ...