By letting machines recommend movies and decide whom to hire, humans are losing their unpredictable nature – and possibly the ability to make everyday judgments, as well.

History holds some lessons about when scaring people to change their behavior works. Two public health experts offer a case for caution right now.

States and hospitals are starting to declare 'crisis standards of care' as the pandemic floods their ERs. The orders have consequences – both good and bad, as a medical ethicist explains.

Jan. 11 marks the birthday of conservationist Aldo Leopold (1887-1948), who called for thinking about land as a living community to protect, not a resource to exploit.

Challenge trials – purposefully exposing volunteers to the coronavirus – could speed up the development of a vaccine. But there are serious ethical concerns with this approach.

Framing cats as responsible for declines in biodiversity is based on faulty scientific logic and fails to account for the real culprit – human activity.

The high cost of pharmaceuticals often means only the richest patients get lifesaving medicines. As coronavirus drugs emerge, it will require hard, creative work to ensure they're available to all.

Being a member of a certain age group shouldn't be a liability.