Why India needs oxygen more urgently than vaccines

While here in the US some are tentatively removing their masks and resuming small outdoor gatherings, others around the world are searching for air. In India, people need oxygen, and they need it now. Last week, Covid-19 became India’s No. 1 killer. One million people in a country with a population of 1.3 billion are Read more about Why India needs oxygen more urgently than vaccines[…]

Got the vaccine? Experts say you can relax about your Covid-19 risk now. Really.

White House chief medical adviser Anthony Fauci said he will not go into restaurants or movie theaters, even though he’s vaccinated. The Centers for Disease Control and Prevention says vaccinated people should continue masking up indoors and avoiding large gatherings. News outlets have reported on “breakthrough infections” of Covid-19 among the fully vaccinated. All of Read more about Got the vaccine? Experts say you can relax about your Covid-19 risk now. Really.[…]

Covid-19 proved bad indoor air quality makes us sick. We can fix that.

If a waiter at a restaurant brought you a murky, stinky glass of water, that would be unacceptable. But yet, many waiters — at least before the Covid-19 pandemic hit — were forced to breathe poorly ventilated air in restaurants and other indoor spaces where people packed together. And still today, “if anybody asks a Read more about Covid-19 proved bad indoor air quality makes us sick. We can fix that.[…]

Vaccine passports can liberate America

Now that the Centers for Disease Control and Prevention (CDC) has said that people who have been vaccinated against Covid-19 can shed their masks, there are obvious questions: How do you verify that people are vaccinated? Especially in situations in which some people can’t get vaccinated, including young children, or may remain vulnerable after, like Read more about Vaccine passports can liberate America[…]

Why the WHO approval of the first malaria vaccine is a big deal

Every year, malaria kills more than 400,000 people, most of them children. There has been significant progress against the disease in the past few decades — death rates have fallen nearly in half since 2000 — but there’s still a long way to go. For decades, researchers have been working on developing a vaccine. It Read more about Why the WHO approval of the first malaria vaccine is a big deal[…]

Our amazing sense of touch, explained by a Nobel laureate

Before 2010, scientists knew very little about how the sensation of touch begins its journey into a person’s consciousness. They knew that nerve endings help carry the message from different parts of our bodies to our brains. But they didn’t know what kind of receptor on the nerve ending causes the message to fire — Read more about Our amazing sense of touch, explained by a Nobel laureate[…]

How biological detective work can reveal who engineered a virus

SARS-CoV-2, the virus that causes Covid-19, has made our future vulnerability to biological pathogens — and what we can learn to help prevent the next pandemic — a salient concern. We don’t have much evidence one way or the other whether Covid’s emergence into the world was the result of a lab accident or a Read more about How biological detective work can reveal who engineered a virus[…]

What the oil industry still won’t tell us

Four executives from Big Oil — “the richest, most powerful industry in human history,” according to environmentalist Bill McKibben — testified before Congress on Thursday at a hearing meant to reveal how the oil business has undermined government action on climate change. The House Committee on Oversight and Reform questioned the CEOs of ExxonMobil, BP, Read more about What the oil industry still won’t tell us[…]

Are “net-zero” climate targets just hot air?

Corporations and countries around the world are promising to eliminate their contributions to climate change. But many of their targets for cutting greenhouse gas emissions are prefaced by a slippery phrase: “net-zero.” More than 130 countries have set or are considering net-zero emissions goals, and many are stepping up as they prepare for next week’s Read more about Are “net-zero” climate targets just hot air?[…]