correctly guessed their treatment. Delivery systems were not uniform, which may influence dose accuracy. Long term safety remains unknown, especially for repeated dosing. These limitations prevent nitrous oxide from being considered a fully validated...

framework for understanding cannabis use in measurable terms. A Measured Step Forward The safest level of cannabis use remains no use, especially for adolescents. Still, many people choose to use cannabis and want reliable information about risk. By...

each star’s axis. The study also did not trace the past paths of the runaway stars back to their birth clusters. That work remains for future analyses. Upcoming Gaia data releases, with even better precision, are expected to improve velocity...

bacterial survival. Whether microbes could adapt over longer timescales or be engineered to tolerate perchlorates better remains an open question. A Quiet Lesson From a Difficult Planet Mars does not easily welcome life. This study shows that even the...

Not with guesswork, but with precision. Whether this leads to better supplements, safer products, or entirely new medicines remains to be seen. But one thing is clear. A plant that has shaped traditional medicine for centuries is now shaping the future...

Some experienced more water exposure or heating than others. Untangling original formation signals from later changes remains challenging. Future studies may analyze additional meteorites and include other elements, such as hydrogen or oxygen. These...

link between developmental conditions and adult behavior. That combination makes the findings particularly valuable. What Remains Unknown There are still open questions. The study focused on one species. Other animals may respond differently to early...

perfectly sealed compartments. Over billions of years, material exchange has likely been common. Whether life rode along remains uncertain. But in controlled laboratory conditions, at least one organism has demonstrated that the first hurdle, surviving...

studies are needed. Important Limitations to Consider Despite its scope, the study does not prove cause and effect. It remains unclear whether microbiome changes trigger Parkinson’s disease or arise as a consequence of it. The relationship is likely...

rehearsing procedures that must be executed with precision. There is a sense of anticipation, but also caution. Spaceflight remains inherently risky, and each launch carries uncertainties. Yet there is also confidence, built on years of testing,...

plans to conduct this year. This cautious optimism reflects a broader industry dynamic, where demand is clear but execution remains the defining challenge. The latest anomaly complicates these scaling ambitions, as each failure can introduce delays,...

nearly 99 percent of living fish species and about half of all vertebrates. Yet their deep evolutionary history remains murky, as early members display a blend of primitive and derived traits. Dr. Michael Coates likens the base of the ray‑finned tree to...

where exceptionally preserved soft tissues have been identified. The highlighted structures (in bluish tones) correspond to remains of cartilage associated with the ventral ribs. Credit: Adapted from Castillo-Visa, O. et al. Anatomical Clues Hint at...

that a close relative of Praearcturus may have persisted for an additional 40 million years, although the exact connection remains provisional. Specimens from Wales reveal flap‑like extensions called epimera, structures also seen on modern lobsters and...

that endows natural cells with shape stability and intracellular transport. Without this framework, the synthetic entity remains rudimentary and only endures for a limited number of cycles. Adamala emphasized: “Our goal is to have full operational...

pool known as the King’s Stables contained deliberately placed weapon moulds, animal bones and fragments of human remains. A timber‑lined ceremonial avenue linked the settlement to this ritual basin, suggesting that processional activities were...

labeled the earlier claim baseless, echoing the skepticism now directed at Biondi’s radar‑based assertion. At present, what remains is a reported radar anomaly, a public narrative built around a podcast interview and subsequent media coverage, and a...

that subtle calibration issues may influence other local methods. Nevertheless, the precision of the GW170817 measurement remains about four times lower than that of the leading local determinations. Detecting additional neutron‑star collisions will be...

age of the tracks. Why No Tools or Campsites Have Been Found? Even as the dating becomes more robust, a lingering question remains: if people were present at White Sands this early, why have archaeologists uncovered no associated artifacts? Holliday...

could allow liquid water, a key ingredient for habitability, according to the team’s models. Atmospheric Outlook Remains Uncertain Despite its favorable orbit, Gliese 3378b sits near the so‑called “cosmic shoreline,” a boundary where intense stellar...