Rising Biologist

🌍 Did You Know?
Today, July 22, 2025, will be the second-shortest day ever recorded!

Earth is spinning slightly faster than usual — it’ll complete one full rotation 1.34 milliseconds quicker than the standard 24 hours. You won’t feel the difference, but it’s part of an ongoing trend.

🌀 Scientists have observed that since 2020, Earth has been breaking rotation speed records. The fastest day ever? July 5, 2024, which was 1.66 milliseconds shorter than usual.

Why is this happening? Experts suggest it could be due to changes in Earth’s molten core, glacial melting, or even tectonic activity affecting the planet’s mass distribution.

⏱️ If this keeps up, we might even need to subtract a second from atomic time in the coming years — something that’s never happened before!

📚 Source: TimeandDate.com, Nature, IERS

Have you ever wondered how sharks stay so clean in the ocean, even with all the bacteria around them? Scientists did too—and what they discovered is now changing how we design surgical tools, hospital surfaces, and even space health systems.

This newsletter tells the real story of how the pattern on shark skin inspired a medical breakthrough. Backed by research from NASA and top universities, this isn’t just nature—it’s the future of infection control. If you love science, healthcare innovation, or just want to learn something new and amazing, don’t miss this one.


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Shark Skin-Inspired Surgical Tools: Nature's Blueprint For Infection… | Nisar Ullah Have you ever wondered how sharks stay so clean in the ocean, even with all the bacteria around them? Scientists did too—and what they discovered is now changing how we design surgical tools, hospital surfaces, and even space health systems. This newsletter tells the real story of how the pattern ...

Originally posted by Hashem Al-Ghaili

The Common Marmoset: A Vital Model in Scientific Research

The common marmoset (Callithrix jacchus) is a small primate species native to the rainforests of Brazil, particularly in the northeastern regions. Characterized by their white-tufted ears, long tails, and a body length of approximately 12-15 cm, adult marmosets typically weigh between 200-250 grams, with females being slightly smaller than males.

Marmosets have fascinated scientists with their remarkable reproductive abilities, producing twins and triplets at a striking 80% rate, a phenomenon rare in the animal kingdom. This unique reproductive strategy involves the release of multiple eggs during ovulation, thought to increase reproductive success in challenging environments.

Scientists have been studying marmoset twins and triplets to gain insights into the mechanisms underlying their reproductive success. By examining the development of twins and triplets, researchers have shed light on the processes that govern embryonic growth and development. Studies have investigated the role of stem cells in embryonic development, finding that marmoset embryos have a unique ability to maintain stem cell self-renewal, allowing them to produce multiple offspring.

This research has significant implications for our understanding of stem cell biology and regenerative medicine. Additionally, studies have focused on social behavior in marmoset twins and triplets, providing valuable insights into the mechanisms underlying social behavior. The study of marmoset twins and triplets has significant implications for our understanding of human biology and disease, with potential applications in new treatments and therapies.

The scientific community has benefited greatly from the study of marmoset twins and triplets, with findings published in reputable journals such as Science, Nature Communications, and Cell Stem Cell. These studies have shed light on the unique reproductive abilities of marmosets, providing valuable insights into the mechanisms underlying human biology and disease.

The Common Genet: A Unique and Fascinating Species

The Common Genet, also known as the small-spotted genet, is a cat-like animal that belongs to the Viverridae family. Its scientific name is Genetta genetta. It can be found in a variety of habitats, from forests to grasslands, in Africa, Europe, and Asia.

The common Genet is a solitary and nocturnal animal known for its agility and ability to climb trees. It's also a skilled hunter, feeding on small mammals, birds, and insects. It can live for up to ten years in the wild, making it a remarkable survivor. It is a slender, carnivorous mammal with a long tail and a coat with spots or marbled markings.

Research on the Common Genet's genetics has contributed to advancements in human health, particularly in the fields of cardiovascular disease and cancer. Specifically, studies on its immune system have informed the development of novel vaccines, such as the genet-derived vaccine against human papillomavirus (HPV), which protects against cervical cancer.

Additionally, the genet's unique physiology has led to breakthroughs in drug development, including the creation of medications like Genetta-derived Factor Xa inhibitors, used to treat thrombosis and pulmonary embolism, and Genetta-inspired angiogenesis inhibitors, used to treat cancer and macular degeneration.

If you ever get lost in the Milky way galaxy, this is your map to get back to earth.

Did you know that the ancient horseshoe crab has been a game-changer in modern medicine? For decades, the pharmaceutical industry relied on rabbits to detect bacterial endotoxins, resulting in countless losses. But in the 1970s, the discovery of the horseshoe crab's unique blood revolutionized this process.

Their blood contains Limulus Amebocyte Lysate (LAL), which has a primitive yet incredibly sensitive immune response to endotoxins. This innovation improved accuracy and spared countless rabbit lives. 🐇➡️🦀

Beyond their medical significance, horseshoe crabs are living fossils, having roamed the earth for over 450 million years. Their resilience and evolutionary history offer valuable insights into the earth's past and species adaptation. 🌊🔬🦀"

Engage with us! Share your thoughts or experiences with horseshoe crabs. 🗣️👇

Did you know that our eyes contain a little drainage system?

The lacrimal punctum is a little opening on the edge of your eyelids that helps keep your eyes healthy. These tiny apertures on the borders of your upper and lower eyelids remove extra tears and debris from your eyes. The lacrimal punctum is the entry point for the tear drainage system, which comprises the canaliculi, lacrimal sac, and lacrimal duct. Without these tiny apertures, our eyes would be vulnerable to dryness, discomfort, and even infection.

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Image courtesy of Advanced Eyecare of Chino Optometry.

Miracle Twins Arrived!

In a rare and joyful event, an Asian elephant in Thailand has given birth to a precious set of twins on 7th June! Caretakers are overjoyed and are calling it a miracle. The reason for this miracle status is that twin elephant births are extremely rare, occurring in only about 1% of elephant births. Additionally, the birth of male-female twins is even more unusual than identical twins, making this event truly special.

Normally, elephants give birth to a single calf, with twin births being extremely rare. In fact, out of 100 elephant births, only one or two might result in twins, while the remaining 98-99 births will be single calves. Thus, this heartwarming event is a reminder of the incredible diversity and complexity of life in the animal kingdom.