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Science

San Diego hospital seeing an alarming number of children 5 and under with cannabis poisoning

San Diego County's only children's hospital reports that it continues to see elevated numbers of young patients arriving in its emergency department with cannabis poisoning, echoing findings from a new analysis released last week by the U.S. Centers for Disease Control and Prevention.

Dr. Natalie Laub, a pediatrician and cannabis researcher at Rady Children's Hospital, said the situation has been most dramatic for children age 5 and younger. "We were seeing about 20 kids per year, with the average age being 3 years old," Laub said.

Marine animal poisonings overwhelm California volunteers

Denise Christ regularly comes across injured wildlife in her work rescuing beached or stranded marine mammals along the California coast.

But she's been shocked by the hundreds of sea lions and dolphins found on the shore in recent weeks, dead or dying from neurotoxin poisoning.

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UN Security Council to hold first talks on AI risks

LONDON (Reuters) — The United Nations Security Council will hold its first formal discussion on artificial intelligence (AI) this week in New York, with Britain to call for an international dialogue about its impact on global peace and security.

Governments around the world are considering how to mitigate the dangers of emerging AI technology, which could reshape the global economy and change the international security landscape.

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Saudi farming company can't use their country's water for crops — so they're taking it from Arizona

A Washington Post exposé revealed that Saudi Arabia is aware that their options for growing crops in the desert are limited. It takes a hefty amount of water to grow alfalfa and it appears the country doesn't want to waste their water doing it. So, they're using water from Arizona.

Arizona is among the states currently suffering from an extended heat disaster. During the so-called "monsoon season," Arizona is able to collect water that can help for times like these. Unfortunately, this heat front has lasted longer than normal, resulting in what the Post called a "megadrought."

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Alzheimer's diagnosis revamp embraces rating scale similar to cancer

Alzheimer's disease experts are revamping the way doctors diagnose patients with the progressive brain disorder — the most common type of dementia — adopting a seven-point rating scale based on cognitive and biological changes in the patient.

The new guidelines, unveiled by experts on Sunday in a report issued at an Alzheimer's Association conference in Amsterdam, embrace a numerical staging system assessing disease progression similar to the one used in cancer diagnoses.

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Is anxiety linked to impaired learning in volatile environments? Study suggests the connection is not clear-cut

If anxiety or depression does have an impact on how people learn in unpredictable situations, it is likely subtle and not easily detectable, according to new research published in the Journal of Affective Disorders. The findings suggest that the relationship between mental health conditions and learning in volatile environments is not clear-cut. Previous work had suggested a potential link between anxiety and difficulties in adjusting to changes in rewards and punishments during learning. The authors behind the new study were specifically interested in understanding whether abnormal learning p...

US, China aim to revive climate cooperation as tensions simmer

WASHINGTON (Reuters) — The United States and China will look to revive efforts to combat global warming this week, in bilateral meetings that observers hope will raise the bar on ambitions ahead of UN-sponsored climate talks in late 2023.

The talks follow two other high-level U.S. visits to China this year, as the world's largest greenhouse gas emitters work to stabilize a relationship strained by trade disputes, military tensions and accusations of spying.

San Francisco's race for robo-taxis cleaves sharp divide over safety

SAN FRANCISCO (AFP) — A driverless taxi slows down on a dark San Francisco street and is quickly surrounded by a group of masked figures.

One of them places a traffic cone on the hood of the car. Its hazard lights flick on, and the car stops in the middle of the road, disabled.

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Subtropical Storm Don continues to weaken and slowly move northward over Central Atlantic

ORLANDO, Fla. — Subtropical Storm Don formed in the Atlantic early Friday marking the hurricane season’s fourth named storm, according to the National Hurricane Center.

As of 5 a.m. on Saturday, the NHC said that the center of Don was located 1,010 miles west of the Azores moving north at 9 mph with maximum sustained winds of 45 mph. Don will continue northward, followed by a turn toward the east on Sunday.

Florida's rising water temperatures raise concerns for health of coral reefs -scientists

By Maria Alejandra Cardona MIAMI/KEY WEST, Florida (Reuters) - Rising temperatures in Florida's waters due to climate change have sparked an extreme stressor for coral reefs causing bleaching, which has scientists concerned. "In the last year, it's been really depressing because we've seen a lot of changes, and we've been monitoring sites from Miami for five years now, and we're starting to see changes in those sites," said Michael Studivan, a scientist with the National Oceanic and Atmospheric Administration's Coral Health and Monitoring Program. Just within the last week, as the U.S. South s...

How many types of narcissist are there? A psychology expert sets the record straight

Our interest in narcissism has never been higher, with Google searches for the word “narcissist” having steadily increased over the past decade. This term has become part of everyday parlance, readily thrown around to describe celebrities, politicians and ex-partners. A byproduct of our growing interest in narcissism is a curiosity about what types of narcissist exist. But this is where things get tricky. A search for “types of narcissists” on Google returns wildly varied results. Some websites describe as few as three types. Others list up to 14. What’s going on here? What is a narcissist?The...

She's 47, anorexic and wants help dying. Canada will soon allow it.

Lisa Pauli wants to die.

The 47-year-old has wrestled with the eating disorder anorexia for decades; she says she has had a warped relationship with her body since age 8. These days, Pauli says, she weighs 92 pounds and may go days without eating solid food. She says she is too weak to carry groceries home without stopping for breaks.

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Intake of unhealthy plant foods is associated with higher risk of depression and anxiety

A new study has found that individuals who eat more unhealthy plant foods (such as fruit juices, potatoes, refined grains, and high-sugar foods) have higher risks of depression and anxiety compared to individuals who eat less of such foods. Eating healthy plant foods (such as healthy vegetables, whole grains, fruits, nuts, legumes, vegetable oils, and tea/coffee) was not associated with changes in risks of these disorders. The study was published in PLOS One. Recent studies have indicated that diet plays a significant role in mental health. Researchers have examined various dietary patterns, w...