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Whale sharks see in dark due to mutation behind blindness in humans

The eyes of whale sharks, the biggest fish on the planet, are able to see in the pitch black deep sea due to a mutation in their retinas that causes night blindness in humans, a team of Japanese researchers has said.

The genetic mutation in the whale shark’s eyes activates visual pigments that sense blue light, the only color that reaches the deep sea, based on temperature changes, according to researchers from the National Institute of Genetics, Osaka Metropolitan University, Okinawa Churashima Foundation and the RIKEN Center for Biosystems Dynamics Research.

Whale sharks are known to swim near the surface of the ocean to feed on plankton, but they also dive into deep waters at depths of nearly 2,000 meters and much of their biology remains a mystery.

To better understand how the creatures are able to see in both bright surface waters and the darkness of the deep sea, researchers focused on rhodopsin, a protein in the retina of the eye that enables vision in dimly lit environments.

They found that rhodopsin, normally sensitive to green light, had mutated to become sensitive to blue light in whale sharks, with the amino acid composition of the protein unique to the species.

A genetic alteration in the same amino acid site in humans causes congenital stationary night blindness, a condition that impairs vision in low-light situations.

The findings, published in the Proceedings of the National Academy of Sciences on March 21, suggest that whale sharks’ blue light-sensing pigments adapt according to temperature.

«While the rhodopsin in whale sharks degrades when exposed to heat, it functions effectively in the chilly waters of the deep sea,» said Shigehiro Kuraku, a professor at the National Institute of Genetics involved in the study.

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They Call Me «Dragon» in the Crypto Community: Dragan Pajić Remarkable Journey

In the world of cryptocurrencies, Dragan Pajić, known as «Dragon,» has emerged as a prominent figure, earning him a well-deserved reputation in the Balkans and beyond. As the largest crypto influencer in the region, serial entrepreneur, and owner of the renowned 100X Club, Dragan has empowered thousands of individuals through his informative YouTube channel, demonstrating how they can multiply their investments by 100 times in the crypto market.

Through his marketing agency, DigitalPR, which has thrived for the past decade, and his rapidly-growing herbal brand called «Bonaturo,» Dragan has made a significant impact on both the digital marketing landscape and the health industry. Famous singers, actors, and public figures have not only embraced but also endorsed his brand, cementing his position as a trusted name in the market.

Dragan Pajić entrepreneurial ventures go beyond the crypto and marketing realms. He has diversified his investment portfolio, venturing into solar power plants, properties, and unicorn projects. Currently, he is an active investor and co-founder of Daopeople, the first decentralized web 3 social media platform based in Dubai.

Exciting times lie ahead for Dragan as he prepares to launch his long-awaited 100X Crypto Academy for a global audience. This groundbreaking educational platform will equip individuals with the knowledge and skills required to navigate the crypto market successfully.

Dragan Pajić achievements have not gone unnoticed. In 2018, he was recognized as one of the ten most influential young people in Bosnia.

Having accomplished his first million-dollar milestone in his twenties, he now holds the title of the Balkans’ most influential crypto influencer.

Looking toward the future, Dragan aims to empower even more young individuals, providing them with financial freedom and education in the domains of entrepreneurship, business, crypto, and investing. His ultimate goal is to become the first founder of a unicorn company (worth over $1 billion) from the Balkan region.

Connect with Dragan Pajić on his social media channels to stay updated on his latest ventures and insights

Instagram: https://instagram.com/draganpajic1?igshid=MzRlODBiNWFlZA==

Facebook: https://www.facebook.com/draganpajic1?mibextid=LQQJ4d

Twitter: @Dragan_Pajic

YouTube: https://www.youtube.com/@DraganPajic/

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Meet the cheapest US states to buy a house

A new study analyzing Zillow data has found that the monthly median sale price of a house last year was more than $500,000 in Utah, California and Colorado — and more than a staggering $800,000 in Hawaii.

The study, conducted by Studio City realtors, found that Hawaii clocked in as the most expensive state in the U.S. for homebuyers. On the island, the average home price was $805,775 — hundreds of thousands of dollars more than the cheapest state on the list.

Studio City realtor Tony Mariotti noted that market turbulence contributed to a “significant increase” in house prices across the U.S.

Home prices went up nationwide in February after months of declines amid low inventory and a small uptick in demand — and experts have said they expect affordability will continue to be a problem for prospective homebuyers in the months ahead.

Here are the priciest and cheapest U.S. states to buy a home:

The most expensive states to buy a home
Eight states and Washington, D.C., saw a monthly median sale price of a house last year of $400,000 or higher, with Oregon sitting at that exact figure.

Washington state, Nevada, Montana and Washington, D.C., came in between $402,900 and $487,500.

California, Colorado and Hawaii were the top three most expensive, at $537,000, $537,125 and $805,775 in monthly median sale prices last year, respectively.

Costs differed in different areas within states: for example, the median monthly sale price of a house last year in California’s cheapest city of Red Bluff was $320,000 — while the ticket in its most expensive city of San Jose was $1,370,000.

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Don’t just hug a tree this Arbor Day — plant one, too

Nearly five years ago, Hurricane Michael became the first Category 5 storm to hit the United States in 25 years. It left a trail of destruction in its wake, and my community of Panama City — located in the Florida Panhandle — was hit especially hard. Since then, working together as neighbors and citizens, we’ve made significant progress in key recovery areas, including rebuilding key and vital infrastructure, enhancing quality of life, developing our downtown, and attracting new businesses across a mix of industries. However, one of our most important recovery efforts lies within our tree canopy restoration — an often overlooked but vital area of disaster recovery and prevention.

When Hurricane Michael uprooted nearly 80 percent of Panama City’s trees — approximately a million trees, generating 5.7 million cubic yards of debris within the city — it created serious challenges. Not only did we lose the beautiful canopy from 100-year-old oak trees, but the vital function of the trees was lost, the first of which was the absorption of groundwater. The loss of so many trees significantly increased the risk of flooding in our community,

where we now experience flooding in areas that haven’t typically flooded in the 114-year history of the city. The second function lost from the lack of trees is shade.

Trees serve to mitigate the urban heat island effect, where an entire city is warmed by concrete being heated by the sun. These increased temperatures not only result in uncomfortably hot weather but can also lead to other extreme weather events like wildfires. Since the storm, Panama City has experienced increased flooding whenever thunderstorms roll through, in addition to wildfires that consumed over 40,000 acres last year – both due in part to the damaged tree canopy and loss of trees.

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