🌞 Galaxy Mellows Out

Daily Upsider - Saturday, December 14th, 2024

Saturday, December 14th, 2024

Good Morning! 🌞 

Did you know? Statistically, Saturday is the day people are most likely to lose their keys. Maybe it's the weekend magic—Guess it’s all that weekend freedom getting to us! 😆 

Today’s Upside

Earth Sciences

Galaxy Mellows Out

The Sombrero galaxy seen in mid-infrared light – Credit NASA

A striking new image from NASA's James Webb Space Telescope reveals an unprecedented view of the iconic Sombrero galaxy. While visible light highlights the bright, overwhelming core surrounded by a dusty, gas-filled outer disk, Webb's mid-infrared capabilities unveil a dimmer core and a smooth inner disk. This fresh perspective sheds light on the galaxy's structure, revealing details previously obscured by its dazzling brightness.

Webb's Mid-Infrared Instrument (MIRI) provides an even closer look at the galaxy’s outer ring, uncovering intricate clumps of dust in contrast to earlier smooth depictions by the Spitzer Space Telescope. These clumps, rich in carbon-based molecules like polycyclic aromatic hydrocarbons, are indicators of potential star-forming regions. Despite this, the Sombrero galaxy is not a prolific star-former, producing fewer than one solar mass of stars annually—half the rate of the Milky Way.

Adding to its enigmatic nature, the Sombrero galaxy hosts a relatively quiet supermassive black hole, weighing in at an astounding 9 billion solar masses, and around 2,000 globular clusters brimming with ancient stars. Meanwhile, the MIRI image reveals numerous background galaxies of varying shapes and colors, offering valuable data on their distances and properties. Positioned approximately 30 million light-years away in the Virgo constellation, the Sombrero galaxy continues to captivate astronomers with its unique characteristics and stunning details.

Health Sciences

New Denture Solution

Freepik

Scientists at King's College London have developed a novel solution to help dentures stay in place more effectively by mimicking the suction cups found on octopus tentacles. Around one in ten denture wearers struggle to keep their dentures secure, often relying on adhesives and cements that many find unpleasant, unhygienic, and taste-altering.

The team from the KCL Faculty of Dentistry studied how octopus suction cups create a vacuum to firmly attach to surfaces. Applying this concept, they designed 3D-printed dentures with tiny suction cups, offering twice the retention of standard models while remaining easily removable when necessary.

Lead author Dr. Sherif Elsharkawy explained his inspiration: "After working with denture wearers for years, I wanted to improve their experience. Octopus suckers seemed like the perfect solution." The idea came to him after noticing how the skin of a peach stuck to the roof of his mouth. He added, "This innovation combines nature's strategies with modern manufacturing techniques, improving both functionality and patient satisfaction." Fellow researcher Dr. Eda Dzinovic called the project an exciting push forward in dental material science.

Environment

Otters Back After 14 Years

A river otter the moment it was released into the Rio Grande – Credit J.N. Stuart, CC 2.0.

Conservationists in New Mexico are celebrating the significant recovery of the state's wild river otter population, which has tripled over the past 14 years. Once native but completely wiped out in the 1900s due to overtrapping and habitat destruction, otters have made a remarkable comeback. They are now seen in waterways such as Taos, Angel Fire, Pilar, and Corrales along the Rio Grande, with expectations for continued population growth.

Between 2008 and 2010, the New Mexico Department of Game and Fish released 33 otters from Washington into the upper Rio Grande. A 2018 study found that this group had expanded to 100 otters, and nine more were released from Louisiana to enhance genetic diversity. Ecologists highlight the important role otters play in river ecosystems by controlling prey populations and improving water quality. "They act as top predators, providing a key service in maintaining the health of rivers and lakes," said Nick Forman, Carnivore and Small Mammal Program Manager at the department.

The department now encourages the public to share photos and videos of wild otters. This citizen science initiative aims to track otter distribution across the state as conservationists consider further reintroductions.

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Free Shipping Day!

What’s not to love about Free Shipping Day, held this year on December 14? You can shop ’til you drop by getting everything online—plus, there are no sky-high shipping rates. Pay only for what you actually buy and let someone else handle the extra costs. It’s the perfect opportunity to complete your holiday shopping without worrying about delivery fees. Keep in mind, the date changes each year, so be on the lookout in mid-December.

National Free Shipping Day is a shopping holiday that started in 2008, created by internet entrepreneur Luke Knowles. While running his own free shipping-focused website, Knowles noticed a trend: online shopping dropped around December 10 due to concerns about delivery times and high shipping costs. He realized an event promoting free shipping and guaranteed on-time delivery could fill the gap and give holiday shoppers peace of mind. The first Free Shipping Day was organized in just two weeks with 250 participating merchants, including large retailers like Target and Pottery Barn. On December 17, 2008, the event kicked off, earning $764 million in online sales and ranking among the top 10 highest-earning days in e-commerce during the holiday season that year.

Since then, Free Shipping Day has grown, with more retailers participating to capture sales from shoppers eager to wrap up their holiday lists. And if you’re looking to save year-round, the site also offers a variety of coupons and free shipping codes from top retailers and niche e-shops. Whether you're finishing up your holiday shopping or just browsing for something special, Free Shipping Day on December 14 is your chance to save on delivery costs while enjoying a smooth shopping experience.

Mind Stretchers

⁉️ 

I’m called a pair, though I’m just one tool,
I move with a snap and follow no rule.
I shape what’s around me, quick and with ease,
Cutting through things as I please.
What am I?

Answers to yesterday’s Mind Stretchers

I’m endless but have no edge,
A quiet watcher above the hedge.
I hold the winds and greet the sun,
Changing moods, yet harming none.
What am I? —the sky! ☁️ Chris Hostetler got this bright and early!

Be the first to send us the correct answer for today’s mind stretcher for a shout-out with the answer tomorrow. Just send us the answer and your name to [email protected] or reply to the email.

From the Community

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