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Articles on Health

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The first COVID-19 vaccines arrive packed in dry ice and need special freezers that can keep them extremely cold. AP Photo/David Goldman

Getting COVID-19 vaccines to rural Americans is harder than it looks – but there are ways to lift the barriers

The vaccines’ cold storage requirements and shipment rules put small, rural communities at a disadvantage, but that’s only part of a long-running challenge.
Sampling wildfire smoke sometimes means sticking a tube out the window of an airplane. Brett Palm/University of Washington

Wildfire smoke changes dramatically as it ages, and that matters for downwind air quality – here’s what we learned flying through smoke plumes

Thousands of chemical compounds in wildfire smoke are interacting with each other and sunlight as the smoke travels. For people downwind, it can become more toxic over time.
Designed by psychologists, the free and anonymous web-based app can help you remember who you came in contact with. Ani Ka via Getty Images

This DIY contact tracing app helps people exposed to COVID-19 remember who they met

With new US COVID-19 cases topping 200,000 a day, contact tracers are overwhelmed. Here’s how infected people can start tracing and notifying contacts themselves.
Without wearing a face mask, an old man walks past a mural urging the use of face masks in Jakarta. Indonesia reported a record daily rise in coronavirus infections on Sunday with 6,267 cases. ANTARA FOTO/M Risyal Hidayat/aww.

‘Nine months and no progress’: what went wrong in Indonesia’s COVID-19 responses and what can be done

There are three key factors behind the government’s poor COVID-19 responses in the past nine months, and Indonesians can take steps to fix this.
The older you get, the more slowly you heal, and there are a number of reasons why. Westend61 via Getty Images

Why do older people heal more slowly?

Healing is a complicated process. As people age, higher rates of disease and the fact that old cells lose the ability to divide slow this process down.
Open windows and doors to boost air flow and help remove airborne particles. Daniela Torres/EyeEm via Getty Images

Keeping indoor air clean can reduce the chance of spreading coronavirus

Being indoors with other people is a recipe for spreading the coronavirus. But removing airborne particles through proper ventilation and air filtration can reduce some of that risk.

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