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For those who have suffered from COVID-19, do their antibodies guarantee immunity from subsequent disease? Sebastian Kaulitzki/Science Photo Library via Getty Images

Am I immune to COVID-19 if I have antibodies?

If you have had COVID-19 already, are you protected from another bout of the illness? And is the presence of antibodies in your blood a guarantee of immunity?
Volunteers helped city workers paint ‘Black Lives Matter’ on the street near the White House. Tasos Katopodis/Getty Images

How DC Mayor Bowser used graffiti to protect public space

Washington, DC Mayor Muriel Bowser ordered ‘BLACK LIVES MATTER’ to be painted on a street near the White House. The act would have been considered vandalism had it not been done by city workers.
Venezuela Foreign Minister Jorge Arreaza, center, greets the arrival of medical specialists and supplies from China in March. AP Photo/Matias Delacroix

China’s efforts to win hearts and minds with aid and investment may make all the difference if there’s a cold war with the US

The US may want to rethink its anti-China policy as Beijing’s focus on providing international coronavirus aid and digital and health care investments seems to be working.
Anatolian water frogs (Pelophylax spp) could become locally extinct in parts of Turkey due to over-harvesting as food. Kerim Çiçek

More people eat frog legs than you might think – and humans are harvesting frogs at unsustainable rates

Frogs are harvested as food by the millions every year. A new study shows that uncontrolled frog hunting could drive some populations to extinction by midcentury.
Members of the military wearing U.S. Army Special Forces insignia block protesters near Lafayette Park and the White House on June 3, 2020. Drew Angerer/Getty Images

Why soldiers might disobey the president’s orders to occupy US cities

There is a long line of military heroes who had the moral courage not to follow immoral orders. In the days ahead, some may have to consider what exactly their oath to the Constitution requires.
Grandparents are eager to spend time with their grandchildren, and many are also eager to travel. There are many things to consider to ensure safety when going to hotels and overnight accommodations. FG Trade/Getty Images

Is it safe to stay in a hotel, cabin or rental home yet?

Taking a trip this summer? You can do a lot to prevent coronavirus exposure, but you cannot take away all risk. It is important to practice caution.
‘The Meeting of Two Worlds,’ a sculpture at L'Anse aux Meadows, commemorates the meeting of Vikings and Native Americans around the year 1000. D. Gordon E. Robertson/Wikimedia Commons

Globalization really started 1,000 years ago

The allure of novel goods was so strong that it triggered 1,000 years of trade and interactions among people from different places, but there were limits on globalization then that no longer exist,
Public assistance programs are intended to help people up – but that’s not always how recipients experience the aid. Ascent/PKS Media Inc./Getty

Life on welfare isn’t what most people think it is

The stories people tell about welfare rarely match up with the stories told by people actually receiving aid.
Compost awaiting distribution at the Las Virgenes Municipal Water District’s Rancho Las Virgenes compost facility, Calabasas, Calif. Brian Vander Brug/Los Angeles Times via Getty Images

City compost programs turn garbage into ‘black gold’ that boosts food security and social justice

Turning food scraps and yard trimmings into compost improves soil, making it easier for people to grow their own food. City composting programs spread those benefits more widely.
Protesters in São Paulo declare ‘Black Lives Matter’ at a June 7 protest spurred by both U.S. anti-racist protests and the coronavirus’s heavy toll on black Brazilians. Marcello Zambrana/Anadolu Agency via Getty Images

COVID-19 is deadlier for black Brazilians, a legacy of structural racism that dates back to slavery

In Brazil, black COVID-19 patients are dying at higher rates than white patients. Worse housing quality, working conditions and health care help to explain the pandemic’s racially disparate toll.
Life Care Center in Washington state was at the center of the U.S. outbreak back in early March. AP Photo/Ted S. Warren

Why some nursing homes are better than others at protecting residents and staff from COVID-19

While nursing homes have accounted for more than half of COVID-19 deaths in some states, they’ve barely been a factor in others. Three experts explain why.
Today’s high-stress environment is an opportunity to reset how our brains deal with stressful situations. CasarsaGuru/iStock

Want to stop the COVID-19 stress meltdown? Train your brain

With the county facing a crisis in emotional health, we may need two vaccines: one for COVID-19 and another for toxic stress. Here’s a technique for dealing with all that stress.