Health & Medicine

Environment

When measuring lead in water, check the temperature

Lead contamination in drinking water can be much higher during summer than winter, new research suggests.

Health & Medicine

This week in Zika: An anniversary, how the virus kills brain cells and more

New weapons in the fight against Zika, how the virus shrinks minibrains, a quick paper-based test for Zika, and more in this week’s Zika Watch.

Microbes

Leptospirosis bacterium still haunts swimming holes

Bacterial scourges lurk in warm recreational waters.

Particle Physics

Readers ponder gravity wave physics

Gravitational waves, the benefits of fat and more reader feedback.

Neuroscience

A breakdown product, not ketamine, may ease depression

Ketamine’s breakdown product, not the drug itself, eases depression, a mouse study suggests.

Science & Society

Gun research faces roadblocks and a dearth of data

Gun violence research is stifled by funding shortfalls and limitations on data access.

Neuroscience

Evidence conflicts on iron’s role in Parkinson’s disease

Experiments yield conflicting results about whether vulnerable nerve cells have too much or too little iron.

Health & Medicine

This week in Zika: Haiti hit early, possible monkey hosts, and more

A new test for Zika, how Haiti fits into the outbreak timeline, a look at monkeys that can carry the virus, and more in this week’s Zika Watch.

Health & Medicine

Here’s some slim science on temper tantrums

Scientists have mapped the structure of toddlers’ tantrums, but preventives are hard to come by.

Neuroscience

Left brain stands guard while sleeping away from home

Part of the left hemisphere stands sentry while the rest of the brain and body snooze.

Health & Medicine

‘Dirty’ mice better than lab-raised mice for studying human disease

Dirtier mice may better mimic human immune reactions.

Health & Medicine

Clusters of cancer cells get around by moving single file

Clusters of cancer cells squeeze through thin blood vessels by aligning single file.