COVAX Effort to Vaccinate the World Is Faltering

Public Health

The COVID Lab-Leak Hypothesis: What Scientists Do and Do Not Know

An examination of the arguments that SARS-CoV-2 escaped from a lab in China and the science behind them

Amy Maxmen, Smriti Mallapaty and Nature magazine

Evolution

Animal Kids Listen to Their Parents Even before Birth

Human children: please take note of the behavior of prebirth zebra finches

Karen Hopkin

Public Health

Labor Department Issues Emergency Rules to Protect Health Care Workers From COVID

The new rules would require employers to notify workers of possible exposure to the disease and to report deaths or hospitalizations to the government

Christina Jewett and Kaiser Health News

Medicine

A Better Way to Pay for Health Care

Fee-for-service models, as in the U.S., and single-payer models like the U.K.’s and Canada’s both have significant flaws—but Singapore may have found a workable compromise ...

James Breiding | Opinion

Neuroscience

Electrodes That Stimulate the Brain Reveal the Roots of Conscious Experience

Applying electric currents reveals the function of varying brain regions and helps to alleviate neurological disorders

Christof Koch