📢 La tierra nos da vida, pero también nos envía señales de alerta.
✅ Cada año, millones de hectáreas de tierras se degradan por la desertificación y la sequía, poniendo en riesgo los ecosistemas, la producción de alimentos y el bienestar de las personas.
✅ En este #DíaMundialContraLaDesertificaciónYLaSequía, recordemos que proteger nuestros suelos y conservar el agua es una tarea de todos.
🍃 Cuidemos la tierra hoy para que siga dando vida mañana.
June’s top skywatching event is underway: a beautiful alignment of the crescent Moon with three bright planets, Venus, Jupiter, and Mercury, visible in the western sky shortly after sunset in the nights leading up to the summer solstice on June 20.
Venus shines as the brilliant “Evening Star,” making it the easiest to spot. Jupiter appears nearby, while Mercury, lower in the twilight, is the most challenging to see. The thin crescent Moon will glide through the lineup from night to night, changing its position relative to the planets.
The best time to view is about one hour after sunset, with a clear view of the western horizon. Because the alignment lasts several evenings, you have multiple chances to catch it if clouds interfere.
Though the objects appear close together, they are actually separated by vast distances, this striking celestial display is simply a beautiful trick of perspective from Earth.
The Tree With Walls
- The giant kapok tree can grow up to 70 meters tall, yet it survives with shallow roots by developing enormous buttress roots that spread outward like natural walls. These massive supports stabilize the tree against floods and strong winds while creating a living habitat for countless plants and animals in the Amazon rainforest.
Enamel Regrowth
- Scientists are developing protein-based gels that help weakened tooth enamel rebuild naturally. By mimicking enamel-forming proteins, these treatments guide calcium and phosphate into new hydroxyapatite crystals, strengthening enamel, reducing sensitivity, improving translucency, and restoring a naturally brighter, healthier smile without harsh bleaching.
According to a study published in Plant Foods for Human Nutrition, plums contain polyphenols that may help trigger cancer cell self-destruction. These natural plant compounds are known for antioxidant activity and may support the body’s defenses. Including plums in a balanced diet can add fiber, flavor, and potential wellness benefits, making this fruit a smart, healthy choice for daily nutrition.
Pope Leo XIV: "Among these ideologies, I consider particularly insidious the one that suggests that every person must earn or justify his or her own worth, to the point of attributing greater value to those who are more efficient or effective. From this perspective, persons end up being reduced to a means of achieving results, a resource to be used and exploited, and are no longer recognized as a proper end in themselves who should never be instrumentalized. The value of persons, however, does not depend on what they achieve or produce. There are rights that apply to everyone simply by virtue of being human, and no human power can legitimately deny or arbitrarily limit them." #MagnificaHumanitas
This Is Actually a Plant
- What if a tiny desert plant could survive underground using hidden crystal-like windows? Why does the “baby toes” plant bury itself beneath the sand, and what secret makes it one of nature’s smartest survivors?
Inside the Fingernail
- Beneath every fingernail lies a microscopic living system. Layers of hard keratin protect delicate tissues, while blood vessels, nerves, and growing cells work together beneath the surface. From the nail matrix to the fingertip bone, every structure supports growth, sensation, protection, and precision in one extraordinary biological design.
How Does Your Blood Flow
- What do triphasic, biphasic, and monophasic blood flow patterns reveal about your arteries — and could hidden circulation problems already be flowing through your body unnoticed?
BREAKING🚨: Earth just entered intense weather cycle and could be the strongest ever recorded
The 2026 El Niño is shaping up to be the deadliest since 1877 — the year famines killed more than 50 million.
Forecasters are tracking ocean temperature spikes of 2 to 3 degrees Celsius. That's not a minor uptick. That's the signature of a once-in-150-years event.
Per LiveScience: a "Super" El Niño is now the most likely outcome by year's end. The human cost could be staggering.
For the first time, researchers at MIT have captured the process that marks the beginning of life: when an egg cell is fertilized, it triggers waves of activity that ripple across its membrane.
These waves act like a biochemical signal, initiating the complex sequence of events that drives the cell to start dividing and developing into an embryo.
Researchers at the University of Nottingham in the UK have developed a groundbreaking protein-based gel that leverages calcium and phosphate ions, naturally abundant in human saliva, to repair and regenerate damaged tooth enamel.
This innovation, detailed in a study published in Nature Communications, represents a potential shift away from traditional "drill and fill" dentistry toward true enamel restoration.
The gel mimics the natural proteins that guide enamel formation during infancy. When applied to teeth, it forms a thin, robust layer that seeps into cracks and eroded areas.
Acting as a scaffold, it attracts and organizes calcium and phosphate from saliva (or even donated saliva samples), promoting "epitaxial mineralization"—a process where new enamel crystals grow in perfect alignment with the existing tooth structure, restoring its hardness and architecture.
Lab tests showed the regenerated enamel withstands real-world stresses like brushing, chewing, and acidic exposure (e.g., soda) as well as—or better than—natural enamel. It remained intact for weeks in simulated oral environments.
[Hasan, A. et al. Biomimetic supramolecular protein matrix restores structure and properties of human dental enamel. Nat Commun 16, 9434 (2025). DOI: 10.1038/s41467-025-64982-y]