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Art featuring the slain Rio politician Marielle Franco, whose 2018 murder remains unsolved. Carl de Souza/AFP via Getty Images

‘My vote will be Black’ – A wave of Afro-Brazilian women ran for office in 2020 but found glass ceiling hard to break

The 2018 murder of Rio city councilwoman Marielle Franco inspired record numbers of Black women to get involved in politics. Winning proved harder – but it isn't the only point of their campaigns.
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.
The drug maker company Pfizer says its COVID-19 vaccine is 95% effective with no serious side effects. Eduardo Munoz Alvarez/VIEW press/Corbis News via Getty Images

Coronavirus vaccines: health experts identify ways to build public trust

The United Nations recently asked a group of experts across the world to recommend ways to persuade people to take a COVID-19 vaccine. Here is a summary of their suggestions.
Working out strengthens more than just your muscles – it strengthens your immune system, too. SelectStock/E+ via Getty Images

These at-home exercises can help older people boost their immune system and overall health in the age of COVID-19

Older adults, who are at a higher risk for COVID-19 complications, can strengthen their immune systems by exercising.
Hilye, or calligraphic panel containing a physical description of the Prophet Muhammad made in 1718 in the Galata Palace, Istanbul. Dihya Salim al-Fahim, (1718), via Wikimedia Commons

Muslims have visualized Prophet Muhammad in words and calligraphic art for centuries

Visual depiction of Prophet Muhammad is a sensitive issue for many Muslims. Islamic literature shows how Muslims used textual imagery to give a vivid picture of the prophet.
A tiger’s vertical stripes help it blend in with trees and grasses in its homelands in Asia. Frédéric Soltan/Corbis via Getty Images

Why do tigers have stripes?

How do tigers – a top predator – successfully hunt their prey when they have bright orange fur? The secret's in their stripes!
In Atlanta, people gather to dance and celebrate the election of Joe Biden as the next president. AP Photo/Brynn Anderson

How Joe Biden did so well in Georgia

A set of efforts that registered 800,000 new voters since 2018 may have been the key to Georgia turning blue in a presidential election for the first time since 1992.
(R to L) Georgia GOP Sens. David Purdue and Kelly Loeffler at a rally with Sen. Tom Cotton on Nov. 19, 2020 in Perry, Ga. Loeffler and Purdue face runoff elections against Democratic Senate candidates Jon Ossoff and Raphael Warnock on Jan. 5, 2021. Jessica McGowan/Getty Images

A brief history of Georgia’s runoff voting – and its racist roots

Elections – like Georgia's runoffs – that require majority support can sometimes be used to exclude those in the minority.

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