https://isthisbs.org/tech/a-longer-range-version-of-the-sureshastra-mk1-loitering-has-161fdc17/IsThisBSen2026-07-28T04:21:02.298872+00:00A longer-range version of the Sureshastra Mk1 loitering munition has a maximum range of up to 300 km.https://isthisbs.org/history/between-35000-and-45000-polish-jewish-refugees-obtained-or-b87c6ca4/IsThisBSen2026-07-28T02:01:58.213378+00:00Between 35,000 and 45,000 Polish Jewish refugees obtained permanent residency or naturalization in France after 1945.https://isthisbs.org/history/the-north-atlantic-treaty-organization-nato-was-created-to-a-c1616c1c/IsThisBSen2026-07-28T01:49:01.356842+00:00The North Atlantic Treaty Organization (NATO) was created to provide collective defense for its members, deter Soviet expansion during the Cold War, and protect Western Europe with a security guarantee backed by North American military power.https://isthisbs.org/history/nato-was-created-to-provide-a-security-umbrella-for-western-ac08aadd/IsThisBSen2026-07-28T01:48:57.481892+00:00NATO was created to provide a security umbrella for Western Europe backed by North American military power.https://isthisbs.org/politics/article-5-of-the-north-atlantic-treaty-states-that-an-armed-364e3136/IsThisBSen2026-07-28T01:48:51.442241+00:00Article 5 of the North Atlantic Treaty states that an armed attack against one NATO member is considered an attack against all NATO members.https://isthisbs.org/science/an-adult-tyrannosaurus-rex-needed-to-eat-about-700-kilograms-a58ca22f/IsThisBSen2026-07-27T22:11:42.477255+00:00An adult Tyrannosaurus rex needed to eat about 700 kilograms of meat per day to avoid starvation.https://isthisbs.org/history/patients-at-billings-hospital-in-chicago-illinois-were-with-6dbaebab/IsThisBSen2026-07-27T19:02:14.997333+00:00Patients at Billings Hospital in Chicago, Illinois, were injected with plutonium without their knowledge.https://isthisbs.org/health/documents-describe-experiments-in-which-pregnant-women-were-ed6fdb52/IsThisBSen2026-07-27T19:00:05.158042+00:00Documents describe experiments in which pregnant women were given radioactive "vitamin drinks" to measure how quickly radioisotopes crossed the placenta into fetuses.https://isthisbs.org/history/in-the-early-1990s-albuquerque-tribune-reporter-eileen-found-18429a03/IsThisBSen2026-07-27T18:55:07.134571+00:00In the early 1990s, Albuquerque Tribune reporter Eileen Welsome found forgotten or misplaced classified documents at Kirtland Air Force Base describing unpublicized U.S. human radiation experiments.https://isthisbs.org/history/in-the-early-history-of-the-united-states-united-states-army-e93a1152/IsThisBSen2026-07-27T18:47:10.587855+00:00In the early history of the United States, United States Army leadership deliberately used smallpox as a biological weapon against Indigenous peoples in North America by distributing smallpox-contaminated items to them.https://isthisbs.org/politics/u-s-army-lieutenant-general-john-r-vines-was-asked-to-review-fa09aa2c/IsThisBSen2026-07-27T18:43:21.975688+00:00U.S. Army Lieutenant General John R. Vines was asked to review the method for tracking the U.S. Department of Defense's most sensitive programs, and he stated that he was not aware of any agency with the authority, responsibility, or a process in place to coordinate all the interagency and commercial activities involved.https://isthisbs.org/politics/barack-obama-said-we-ve-got-to-have-a-civilian-national-that-10b24223/IsThisBSen2026-07-27T18:38:44.105916+00:00Barack Obama said, "We've got to have a civilian national security force that's just as powerful, just as strong, just as well-funded."https://isthisbs.org/science/fairbairn-1997-is-a-widely-cited-methodological-reference-5a6da89f/IsThisBSen2026-07-27T12:30:40.649042+00:00Fairbairn (1997) is a widely cited methodological reference for measuring sexual size dimorphism.https://isthisbs.org/science/the-publication-by-lovich-and-gibbons-from-1992-is-the-best-67d6ebac/IsThisBSen2026-07-27T12:27:23.480433+00:00The publication by Lovich and Gibbons from 1992 is the best reference for analyzing sexual size dimorphism.https://isthisbs.org/science/station-based-observations-from-the-kgalagadi-kalahari-park-13878d69/IsThisBSen2026-07-27T09:35:00.945705+00:00Station-based observations from the Kgalagadi/Kalahari Gemsbok National Park area show that the mean annual maximum temperature in the Kgalagadi region increased by about 0.039°C per year (about 1.6°C over 40 years).https://isthisbs.org/science/as-prey-biomass-declines-with-vegetation-productivity-and-of-1a88d6d1/IsThisBSen2026-07-27T09:07:48.430913+00:00As prey biomass declines with vegetation productivity and thermal load increases, the energetic cost of maintaining a large body mass in a low-resource environment increases.https://isthisbs.org/science/thermal-selection-and-sexual-selection-can-act-in-opposite-2e90f72b/IsThisBSen2026-07-27T08:41:04.226654+00:00Thermal selection and sexual selection can act in opposite directions in shaping organismal phenotypes.https://isthisbs.org/science/in-males-living-in-the-kalahari-environment-elevated-that-a-a11f1d5e/IsThisBSen2026-07-27T08:36:20.717787+00:00In males living in the Kalahari environment, elevated circulating testosterone indicates that a sexual-selection-related physiological axis remains active in the population despite thermal stressors.https://isthisbs.org/science/a-commonly-circulated-visualization-of-the-joint-of-two-the-9ecdd088/IsThisBSen2026-07-27T08:14:27.839680+00:00A commonly circulated visualization of the joint wavefunction of two entangled photons resembles the yin-yang symbol.