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Flames and smoke shroud State Route 33 as a wildfire burns in Ventura, California, Dec. 5, 2017. Daniel Dreifuss via AP

Exposure to wildfire smoke: 5 questions answered

Intense wildfires in southern California are triggering air quality alerts. Health experts know surprisingly little about how inhaling smoke affects human health, especially over the long term.
The iPhone X’s big new features come with a high price tag. AP Photo/Marcio Jose Sanchez

Will the iPhone X be a hit beyond Apple diehards? 3 questions answered

Apple’s latest iPhone sold out within minutes of its launch, but questions still remain about whether that pace of demand will continue and, if so, whether the company’s supply chain will be able to keep up.
Wildfire creates an orange glow in a view from a hilltop Oct. 13, 2017, in Geyserville, California. AP Photo/Marcio Jose Sanchez

Wildfire smoke and health: 5 questions answered

Wildfires in California have triggered a public health emergency. One threat is smoke inhalation: Some air readings have registered pollution levels comparable to bad air days in Beijing or Mumbai.
Relatively few homes hit by Harvey have flood insurance. Reuters/Carlo Allegri

How flood insurance works: 6 questions answered

The federal government created a program in 1968 to insure homes in the US from flooding, yet few of the houses hammered by Harvey’s record rainfall were covered.
FirstNet could relieve emergency workers of having to carry multiple radios and other communications devices. AP Photo/Ric Francis

FirstNet for emergency communications: 6 questions answered

A multibillion-dollar effort is just beginning to build an all-new nationwide wireless broadband network for emergency responders. How will it work, why do we need it and how will it last 25 years?
Cooked chicken meat imported from China could end up in U.S. restaurant meals without information about its origin. Jacek Chabraszewski/Shutterstock

How safe is chicken imported from China? 5 questions answered

China has started exporting cooked chicken meat to the United States. Is it safe to eat? An agriculture extension specialist discusses possible concerns about food safety and contamination.
When President Bill Cllinton officially ended welfare as we knew it, he was flanked by women who had received Aid to Families with Dependent Children. Reuters/Stephen Jaffee

Welfare as we know it now: 6 questions answered

Trump’s rationale for cutting the Temporary Assistance to Needy Families program rests on a myth at odds with contemporary data.
Using an ATM isn’t risk-free, but there’s a lot of security already. milicad/shutterstock.com

How secure are today’s ATMs? 5 questions answered

Fifty years after the first ATM went into service, the main problem – identifying authorized users – remains the same. But methods for doing so have improved significantly.
Some nonprofits, including the NAACP, can operate different divisions subject to different IRS rules but with the same branding. AP Photo/Andrew Harnik

Hillary Clinton is starting a social welfare group. What does that mean?

Social welfare groups have become more common – and more controversial – in recent years. Fixing gaps in the oversight of this kind of nonprofit will take bipartisan action.
Opening up data and materials helps with research transparency. REDPIXEL.PL via Shutterstock.com

Research transparency: 5 questions about open science answered

Partly in response to the so-called ‘reproducibility crisis’ in science, researchers are embracing a set of practices that aim to make the whole endeavor more transparent, more reliable – and better.
A girl picks up a cupcake as she breaks fast at King Fahad Mosque in Los Angeles, California., during Ramadan. Lucy Nicholson/Reuters

Why Ramadan is called Ramadan: 6 questions answered

Muslims observe a monthlong fast for the holy month of Ramadan. A scholar explains the religious observance and its spiritual significance.

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