The outdoors, exercise, sunshine, and fresh air are all good for people's immune systems and health, and not so great for viruses.

If surveillance, censorship and propaganda are the three pillars of authoritarianism, information, organization and leverage are the counter-pillars of citizen power. And the Internet provides the best and most appropriate infrastructure for strengthening all three.

Throngs on social media violate fundamental notions of fairness and due process: People may be targeted because of a misunderstanding or an out-of-context video.

Deluged by apparent facts, arguments and counterarguments, our brains resort to the most obvious filter, the easiest cognitive shortcut for a social animal: We look to our peers, see what they believe and cheer along. As a result, open and participatory speech has turned into its opposite.

What is the point of talking about health care access and outlining how it manifests itself in failure after failure, given that the Republican Party seems determined to block progress and even roll back what little improvement we have had with the Affordable Care Act, or Obamacare?

Lowering the eligibility age for Medicare to 60 and then to 55 and expanding the Veterans Health Administration, the largest integrated health care system in the country, to include firefighters, social workers, teachers and others who serve their communities are among the options that should become part of the political conversation.