Scientists trudging through Nicaragua’s rainforest have identified a “hotbed” of avocado species diversity. The fruit was first transported hundreds of miles to Central America from South America around 5,000 years ago, and the American researchers uncovered genetic traces of this ancient migration in the fruit’s DNA. They suggest some of these species could aid in […] The post Discovery of New Avocado Types Could Lead to More Superfood Choices and Resilience appeared first on Good News Network.

BY THE OPTIMIST DAILY EDITORIAL TEAM Most people treat sleep debt as a tiredness problem. Get some extra rest on the weekend, recover, move on. The reality is messier. Missing sleep for several nights triggers a cascade of metabolic and cardiovascular changes that don’t reverse cleanly when you finally catch up. Research is pointing to a specific type of short, intense exercise as one of the more effective partial countermeasures. Why sleep debt compounds the way it does Missing an hour of sleep a night for five nights leaves a five-hour deficit by the weekend. The problem is your circadian rhythm. “Our ability to sleep is not just determined by our homeostatic sleep drive, or how tired you feel based on how long you’ve been awake,” explains Jennifer Martin, PhD, spokesperson for the American Academy of Sleep Medicine and professor at Florida International University. “It’s also governed by our circadian rhythm, which will not just allow us to sleep five hours later than normal to account for that debt.” In other words, your internal clock will push you awake at your usual time regardless of what you owe your body. And even when you do manage extra sleep, it “will not fully erase the impact on the body of days of insufficient sleep,” says Angela Holliday-Bell, MD, a board-certified physician and sleep specialist. The downstream effects go well beyond tiredness. Sleep debt raises inflammation and stress hormones, adding strain to the heart and blood vessels and increasing risk of high blood pressure over time. It also dulls insulin sensitivity, the mechanism by which cells absorb glucose from the bloodstream, raising blood sugar levels and long-term risk of type 2 diabetes. At the brain level, the disruption compounds further. Impaired glucose uptake makes it harder for neurons to produce the energy they need to function, says Louisa Nicola, MMed, a neurophysiologist who studies Alzheimer’s disease. Sustained over time, this reduces the brain’s resilience against aging and illness. Where high-intensity exercise comes in Short sessions of high-intensity interval training (HIIT) appear to partially offset some of this damage. Several recent studies comparing people who did HIIT during or after periods of sleep restriction against those who did not found that the HIIT groups showed better metabolic outcomes, including less insulin resistance. This fits with what research already established about HIIT: sessions of 10 to 15 minutes produce measurable improvements in blood sugar control, disproportionate to their length. Counteracting the insulin sensitivity drop from sleep debt also benefits the brain, Nicola points out, since better glucose uptake means more available energy for cognition. HIIT also increases blood flow to the brain and triggers the release of brain-derived neurotrophic factor (BDNF), a protein associated with neural health. Some studies suggest doing HIIT before a night of restricted sleep can reduce the negative impact on memory, with better recall than in sleep-deprived people who did not work out. “Vigorous exercise like HIIT enhances blood flow to your brain and triggers the release of chemicals like BDNF,” says Holliday-Bell. “All of which can support cognition.” What HIIT does not do HIIT helps with the metabolic fallout of sleep debt. It does not cancel it. If you are significantly sleep-deprived, injury risk during intense exercise goes up. And your body needs adequate sleep after HIIT to resolve the temporary inflammation and muscle micro-tears the workout produces, and ongoing sleep deprivation during a HIIT routine undercuts the benefit you are trying to get. Dr. Martin’s practical advice: stop trying to bank extra sleep on weekends or run a strategic deficit. Aim to meet your baseline sleep need consistently instead. For most adults, that is seven to nine hours a night. To find your personal number, Martin suggests noting how long you sleep on the third day of a vacation, after the initial rebound from fatigue has settled and with no obligations forcing an early wake-up. That figure tends to reflect your real baseline. When sleep debt is unavoidable, a short HIIT session is a meaningful buffer. It is not a workaround for sleep itself, and nothing else is either.     Did this solution stand out? Share it with a friend or support our mission by becoming an Emissary.The post Short HIIT sessions can offset sleep debt’s metabolic toll first appeared on The Optimist Daily: Making Solutions the News.

BY THE OPTIMIST DAILY EDITORIAL TEAM Large fashion companies in the EU can no longer destroy unsold clothing, shoes, or accessories. As of this week, that’s illegal. The change is part of the EU’s Ecodesign for Sustainable Products Regulation, which applies to companies with more than 250 employees and over roughly $55 million (50 million euros) in annual revenue. Those businesses must find other ways to move excess inventory: markdowns, alternative markets, charity donations. The exceptions are narrow: items that are unsafe, counterfeit, or too damaged to use, or that charities have already passed on. Why companies were doing this in the first place For most of the fashion industry, destroying stock wasn’t a statement. It was accounting. Storing unsold goods costs money. So does logistics. Discounting cuts margins, and setting up charity donations takes staff time and coordination that smaller operations often can’t spare. Incineration was cheaper than all of it, and for years no law said otherwise. The European Environment Agency found that four to nine percent of unsold textile products in the EU are destroyed each year. Online returns make the number worse. One in five fashion items ordered online gets sent back and never resold. The cumulative result is hundreds of thousands of tons of clothing every year. What companies are required to do now Large firms must sell or donate unsold goods instead of disposing of them: clearance channels, outlet sales, charity partnerships. They’re also required to publish annual reports on goods they’ve discarded and keep those records for five years. The German Retail Federation’s managing director, Stefan Genth, said “not all unsold goods can be resold or donated easily,” pointing to damaged packaging, high logistics costs, and products with little demand left. He did note that shoppers would likely see more discounted and second-hand clothing available as a result. Medium-sized companies come under the same rules in 2030. What the law changes More than what companies can do with old stock, this shifts the math around how much they make. The European Environment Agency put it this way: “A circular economy — where products are designed to last, and are reused, repaired and recycled — is no longer just a vision, but is being embedded in law.” When disposal is no longer cheap, overproduction gets expensive. Companies that used to write off incineration as a line item now absorb the full cost of what doesn’t sell: storage, logistics, charitable redistribution. The ban is narrow in what it prohibits, but broad in what it forces companies to reckon with.     Did this solution stand out? Share it with a friend or support our mission by becoming an Emissary.The post Fashion’s dirty secret: the EU just banned brands from incinerating unsold clothes first appeared on The Optimist Daily: Making Solutions the News.

Dairy Queen believes in giving back to the community, particularly when it comes to kids. Each year, Dairy Queen hosts Miracle Treat Day to benefit the Children’s Miracle Network. This year, the event will take place on July 30, 2026, at participating DQ locations. Olympic figure skater Tara Lipinski and the Savannah Bananas are in on the fun. “I’m honored to partner with Dairy Queen for Miracle Treat Day and help shine a light on the incredible work happening at children’s hospitals across the country,” Tara Lipinski shared in a news release. “It’s amazing that something as simple as enjoying a Blizzard Treat can help provide hope and support to kids and their families. I hope everyone joins me on July 30 to make every Blizzard Treat count.” “The Savannah Bananas are all about creating smiles, and Miracle Treat Day is another great way to bring joy and hope to families who need it most,” right fielder Reese Alexiades added. View this post on Instagram A post shared by Dairy Queen (@dairyqueen) Miracle Treat Day at Dairy Queen Generates Big Donations for the Children’s Miracle Network This year, participating Dairy Queen locations will donate at least $1 from the purchase of every Blizzard on Miracle Treat Day. “Every year, Miracle Treat Day demonstrates the incredible impact that can happen when our communities come together for a sweet cause,” Maria Hokanson, Executive Vice President of Marketing at American Dairy Queen Corporation (ADQ), shared. “Year after year, our fans, franchisees and partners show up to support Children’s Miracle Network to help ensure kids and families receive the care and hope they deserve. We’re grateful to have Tara Lipinski and the Savannah Bananas helping us spread the word about Miracle Treat Day and encourage fans across the country to enjoy a Blizzard Treat while making a meaningful difference for local children’s hospitals.” This story’s featured image is by Artur Widak/NurPhoto via Getty Images

Kattie Cassaday’s family adores their Australian shepherd, Fig. During a 2026 Fourth of July celebration, Fig became spooked by fireworks and took off. Sadly, she was too quick for his family to catch, and they worried they might never see Fig again. Even so, Kattie made a report with the Tulare County Sheriff’s Department hoping someone might see Fig and return her. She told ABC News she drove for miles looking and posted flyers, not wanting to give up hope. “I felt like, she’s out there. I know she’s out there if I could just find her.” “I was able to get some good information, and that was able to lead me out to the person who located Fig,” Tulare County Sergeant Ricky Morley told ABC News. Kattie had the same good feeling. “As soon as I talked to Sergeant Morley, I just knew this person is gonna find my dog, and I’m so grateful,” she said. More Than a Week Later, the Tulare County Sergeant Showed Up with Good News Bodycam footage shows Morley pull up to Kattie, and the next thing she knew, Fig jumped out of his cruiser. The feeling’s awesome,” Morley said. “I’ve been doing this for about 20 years and just to have a good story with a happy ending, that’s worth it right there.” The Tulare County Sheriff’s Office shared the bodycam footage on social media. “Community policing is about more than making arrests. It’s about serving our community in every way we can, including helping reunite families with the pets they love,” the caption reads. “Welcome home, Fig.” Followers loved seeing Fig back with her family. “I almost didn’t read this, because if it ended with something horrific happening to the dog, I couldn’t stand it. So happy now,” someone wrote. This story’s featured image can be found here