Some people won't mind if you keep your screen visible, but that doesn't mean you should let yourself be distracted. Jason Chun is a CNET writer covering a range of topics in tech, home, wellness, ...

At 5 a.m. California time, when it is still dark outside, a member of the state's Department of Public Health gets on a weekly call. The topic? Health emergencies all over the world. For years, the ...