A significant conservation initiative has successfully reinstated native trout species across more than 120 miles of streams by eliminating non-native predators and restoring habitats in two states. The reintroduction of the Rio Grande cutthroat trout has led to the establishment of a self-sustaining population, averting the need for federal endangered species status. This successful strategy serves as a blueprint for other western states aiming to restore native fish populations.

A vigorous initiative employing commercial nets and angler incentives has successfully diminished the population of invasive lake trout. This management program has fostered a remarkable resurgence of native species such as rainbow trout and sockeye salmon. Hydroacoustic assessments revealed kokanee densities that haven't been observed since the 1970s. The rebound of kokanee has instigated beneficial shifts throughout the broader ecosystem.

The HCG cancer centre in Bengaluru has introduced Karnataka's pioneering Elekta Unity MR-Linac system, a cutting-edge advancement in cancer treatment. This sophisticated technology integrates MRI visualization with radiation therapy, allowing physicians to observe tumors and tailor treatment plans daily. Particularly for prostate cancer patients, this image-guided technique ensures enhanced treatment precision, representing a monumental leap forward in radiation oncology within the region.

In an effort to enhance the understanding of upper atmospheric conditions, NASA is inviting proposals for affordable technology solutions. The Orbital Clarity Challenge aims to refine predictions regarding satellite orbit variations caused by atmospheric drag. Participants stand to win up to $500,000 for their innovative concepts, along with the opportunity for a free test flight to test their technologies.

Jonathan Yan, an 18-year-old student from California, studied data from 479 human cancer cell lines to understand how cancer spreads. His research found that the transsulfuration pathway was highly active in metastatic cancers. When he blocked the pathway in cancer cell lines, the cells stopped spreading, pointing to a possible area for further research into cancer metastasis.

Innovators from Kochi have crafted a groundbreaking technology for mud-crab farming, effectively tackling issues such as cannibalism and the requirement for brackish water. Their novel system enables farming in inland regions, broadening geographical opportunities. With a generous ₹10 lakh grant awarded for their remarkable achievement, this technology opens up premium crab farming to a wider community of farmers.

The iconic Eiffel Tower experiences subtle changes in height with shifts in temperature. When the sun shines and temperatures rise, the iron expands, causing the structure to grow a bit taller. Interestingly, this expansion can create a slight lean, but with winter's return, the metal contracts, returning to its previous form. Additionally, the installation of antennas has resulted in permanent height increases over time.

Human reasoning provides us with a special lens through which we can observe and understand nature. This ability to study and reflect upon natural processes imposes an ethical responsibility on us to avoid exploiting the environment. By grasping the intricate connections within ecosystems, we appreciate our place in the natural world. The wisdom of Linnaeus serves as a guiding light for today's pressing ecological issues.

Astronaut Donald Pettit has unveiled breathtaking photographs of the 2025 Maha Kumbh Mela, captured from the International Space Station. These stunning images showcase the vibrant Hindu pilgrimage, shimmering against the vast darkness of space. The event, held in Prayagraj, attracted millions for ritual bathing, marking it as one of the largest gatherings in human history. This expedition also contributed to ongoing scientific research efforts.

Recent discoveries in India have unveiled biological traces that date back approximately 3.5 billion years, indicating a significantly ancient origin of life on Earth. Researchers have confirmed the presence of photosynthetic activity and intricate metabolic processes within these samples, which originated from environments close to underwater hydrothermal vents. This remarkable finding represents the oldest known biological materials found in rock formations.

In a remarkable milestone for space research, Professor Annapurni Subramaniam has been awarded the COSPAR Vikram Sarabhai Medal for 2026, marking her as the first Indian woman to receive this prestigious honor. This award recognizes her invaluable contributions to space research within developing nations. Her extensive expertise, particularly in pioneering space observatories, highlights how her work has elevated Indian space astronomy to new heights.