Emma Bowman

A conservation group is warning that the development of an effective coronavirus vaccine on a global scale could ravage shark populations worldwide, as researchers race to produce a vaccine using an oil derived from sharks.

Squalene, a compound that is harvested from the livers of sharks, is a common moisturizing ingredient in cosmetics. It's also used in malaria and flu vaccines as an agent that boosts the immune system's response.

As a champion for women "leaning in" at work, Sheryl Sandberg, the chief operating officer at Facebook, is worried.

The coronavirus pandemic, and related issues like lack of childcare and school, are taking a disproportionately heavy toll on working women, with effects that will be felt for years to come, according to a new report from Sandberg's Lean In foundation and McKinsey & Company.

Young adults are known for taking to the streets in protest. Now, there's a youth-driven push to bring more of them to the ballot box.

Tyler Okeke, a 19-year-old activist, is among those who champion lowering the voting age from 18 to 16.

Carmen Best, Seattle's first Black police chief, is leaving her post on Wednesday, in the midst of protests against police brutality in her city and across the country.

The Wisconsin Department of Justice is overseeing the investigation into the police shooting of Jacob Blake, a Black man who was left paralyzed after he was shot seven times in front of his three kids by a police officer in Kenosha, Wis.

Until recently, it was common practice that any time an officer fired a gun, the police department conducted the investigation. In 2014, Wisconsin became the first state to end that process – one that has led to accusations of conflicts of interest and police cover-ups.

Updated at 5:43 p.m. ET

The Wisconsin National Guard has been deployed to Kenosha, Wis., after a Black man was shot several times at close range in the back during an encounter with police over the weekend.

The shooting was caught on video that has since gone viral on social media, sparking outrage.

Sal Khan, the founder and CEO of Khan Academy, built an education enterprise on virtual learning. But as many communities across the country prepare to start the fall with online-only instruction, even he admits that distance learning is a less than perfect substitute for in-person schooling.

The former hedge fund analyst first hatched the idea for Khan Academy as a way to tutor his younger cousins in math. Since its launch in 2008, the site has been providing free video tutorials and lectures. Today, it serves more than 100 million users worldwide.

The National Hockey League resumed play on Saturday, with players emerging from the "bubbles" they've been hunkering down in since July 26.

And so far, players are staying healthy. Since relocating to the bubbles — in two Canadian cities, Edmonton and Toronto — the league says it's given more than 7,000 tests to players on 24 teams, and none have come back positive for COVID-19.

The key to keeping the league safe, says NHL Commissioner Gary Bettman, has been to "be as flexible as possible."

The Department of Homeland Security has reassigned its top intelligence official, according to media outlets, following news that his office compiled intelligence reports on journalists and protesters in Portland, Ore.

Scientists are in a sprint to find a vaccine that could stamp out the coronavirus pandemic. Dr. Anthony Fauci, the nation's top infectious diseases expert, said on Friday he's "cautiously optimistic" that a safe and effective COVID-19 vaccine will be ready for distribution in early 2021.

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