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Visitors and park rangers at historic Fort Scott check out a medevac helicopter operated by Midwest AeroCare during the Kansas town's Good Ol' Days festival.

Air Ambulances Woo Rural Consumers With Memberships That May Leave Them Hanging

State regulators and even one medevac company have raised doubts about prepaid subscriptions and promised benefits offered by air ambulance companies. Gaps in coverage can be a problem.

The hydra, a tiny aquatic creature, appears to never age. Scientists are studying it to learn what secrets it may hold to longevity.

Opossums, Hydras And Hummingbirds: What We're Learning About Aging From Animals

Some animals live longer than they should for their size. Some have shorter lives. And others don't appear to age at all.

David Smith Jr. is the second tribal chief of Arctic Village, and continues to fight drilling in the national refuge despite Congress's legalization of it. "I believe everything is going to come out on top for us," he says.

As Oil Drilling Nears In Arctic Refuge, 2 Alaska Villages See Different Futures

The Trump administration will soon let oil companies bid on land to drill in Alaska's Arctic National Wildlife Refuge. Some Alaska Natives fear harm to migrating caribou, others see opportunity.

The hydra, a tiny sea creature, appears to never age. Scientists are studying it to learn what secrets it may hold to longevity.

Opossums, Hydras And Hummingbirds: What We're Learning About Aging From Animals

Some animals live longer than they should for their size. Some have shorter lives. And others don't appear to age at all.

How To Care For Older People In The Pandemic (And A Printable Guide!)

Reader Tips: 9 Ways To Bring Joy And Care To Older People In The Pandemic

Write postcards on a weekly basis. Go for scenic drives. Schedule virtual TV time. Use family history as a topic for virtual lessons.

Greek opposition New Democracy conservative party leader Kyriakos Mitsotakis waves to his supporters after a win in parliamentary elections at the New Democracy headquarters in Athens on Sunday.

Greek Voters Welcome Centrist Government, Reject Leftists Amid Long Financial Crisis

As their economy continues to flag, Greeks turn to the center-right and a more conservative leader. Four years after Greece nearly left the European Union, a new prime minister has been sworn in.

Neurosurgeons in the UC San Diego operating room performing a craniotomy (where they take off part of the skull). Many of patients get this kind of procedure to relieve pressure from the brain, or to have a brain tumor removed, or have an aneurysm fixed.

COVID And The Brain: 'You Should Be Afraid'

UC San Diego Health doctor highlights neurological complications of virus

A massive cloud of dust from the Sahara Desert is arriving along the U.S. Gulf Coast this week after traveling across the Atlantic Ocean. The dust will move over the Southeastern United States after reaching the U.S. shore.

Saharan Dust Cloud Arrives At The U.S. Gulf Coast, Bringing Haze

The phenomenon happens every year – but the 2020 version is especially large and imposing, experts say.

Protesters gather in Hong Kong's Victoria Park on Sunday.

How China Uses Twitter And Facebook To Share Disinformation About Hong Kong

Russia gets most of the attention when it comes to malicious use of social media by state actors. The protests in Hong Kong have made clear China is using the same playbook.

On the left is a computer model picture of a coronavirus spike protein without a sugar shield on it. On the right is a computer model picture of the spike protein with a sugar shield on it. The models demonstrate how the infection mechanism of the coronavirus is highly protected by these sugars, in the digital image above, June 25, 2020.

Coronavirus Is Covered In Sugar Shield, UCSD Scientists Figured Out What It Looks Like

The virus is covered in sticky spike proteins that help it infect human cells. But those spikes are also covered in sugar, which makes it hard for the body to detect it.

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