Articles tagged with Natural History
The Hopi community of Orayvi split in 1906 due to the corruption of their ceremonial system, which failed to integrate outside pressure. The community divided by household rather than clan lineage, resulting in the establishment of new villages within a short radius.
Neil deGrasse Tyson, director of the Hayden Planetarium, has been recognized for his efforts to popularize science and technology through various outreach initiatives. He will receive the AAAS Public Understanding of Science & Technology Award, which acknowledges his dynamic leadership in engaging the public in science.
Researchers have identified a remarkably well-preserved fossil of the most primitive bat species known to date, Onychonycteris finneyi. The discovery reveals that bats evolved the ability to fly before developing echolocation, providing conclusive evidence for this evolutionary order.
Scientists unveil Velafrons coahuilensis, a massive duck-billed dinosaur from Mexico's Cerro del Pueblo Formation. The discovery provides valuable insights into the region's ecosystem and mass death events, challenging previous understanding of West America's Late Cretaceous history.
Research at the Natural History Museum found that men's facial attractiveness in the past was linked to their jaw size, cheek flaring and eyebrow shape. The study discovered that shorter faces between the mouth and upper lip created a more attractive appearance to potential mates.
A recent study by the Smithsonian found that ancient Mexicans used seven different cultivars of chili peppers, similar to modern varieties, dating back to A.D. 500-1500.
Scientists at the University of Chicago have reclassified Prototaxites as a giant fungus, based on new evidence and chemical analysis. The fungus is believed to have stood up to 20 feet tall and thrived on land during the Silurian and Devonian periods.
The American Institute of Biological Sciences (AIBS) honored several individuals and groups in 2007 for their significant contributions to the field of biology. The Distinguished Scientist Award was presented to Simon A. Levin, Princeton University, for his research on biodiversity loss and environmental protection.
Researchers found that when cowbird eggs were removed from warbler nests, the nests were ransacked 56% of the time, but only 6% when the eggs were accepted. This suggests that cowbirds engage in 'mafia' behavior to encourage hosts to raise their young.
Smithsonian researchers discovered that chili peppers were cultivated and traded as early as 6,000 years ago across the Americas, contributing significantly to our understanding of ancient agricultural practices. The findings provide a new window into the past, allowing researchers to trace the history of chili peppers in the Americas.
A team of researchers from Yale University and other institutions have discovered two 56-million-year-old fossils, including the most primitive primate skeleton ever described. The study reconstructs the base of the primate family tree, providing evidence that plesiadapiforms are the most primitive primates.
The discovery of Dallasaurus, a three-foot long lizard that lived 92 million years ago, fills a gap in the understanding of mosasaur evolution and reveals that they transitioned from land to sea. The fossil find provides significant insights into the biology and natural history of mosasaurs, which were top predators in their ecosystem.
A new study found that females prefer males with higher ocelli density but also those with shorter tails, suggesting they value the visual perception of a dense cluster. This preference is driven by both ocelli density and male displaying activity, providing peahens with information about male health.
Alison Galvani, a Yale Assistant Professor, has been awarded the Young Investigators' Prize by the American Society of Naturalists for her groundbreaking research on how evolutionary forces shape interactions between hosts and pathogens. Her work has significant implications for disease control policies and the persistence of diseases.
Proconsul, a 18 million-year-old creature, holds the key to human and ape origins. The book provides an insider's view on fossil discovery and interpretation, exploring Proconsul's anatomy, diet, and habits.
A study published in JAMA Network found that men with low-grade prostate cancer have a small risk of progression even after 20 years of observation or androgen withdrawal therapy. The results suggest that localized, low-grade prostate cancer patients may not require aggressive treatment.
Entomologists Quentin Wheeler and Kelly Miller named three slime-mold beetle species after former US leaders Bush, Cheney and Rumsfeld. The decision was made to pay homage to the U.S. leaders' commitment to freedom and democracy.
The discovery of Neuquenraptor argentinus provides the first uncontroversial evidence that raptors roamed beyond the Northern Hemisphere. The find reveals a common raptor ancestor likely existed on both Gondwana and Laurasia supercontinents before they split apart.
Norman D. Newell, a renowned geologist and paleontologist, will receive the Legendary Geoscientist Award for his groundbreaking research on fossil bivalve mollusks and modern carbonate sediments. He is also recognized for his advocacy of public understanding of evolution and science education.
Researchers compared bulk samples from five geological formations with a museum collection, finding that the diversity of mollusks is similar. The study also revealed that shells in museum collections are better preserved due to time, making them an important resource for researchers.
Eight environmental stewards have won $900,000 in biodiversity awards for their conservation efforts. The winners include Maria Marta Chavarria, Graham Harris, and Mengistu Wondafrash, who were recognized for their work protecting endangered species and habitats in Costa Rica, Argentina, and Ethiopia.
Research by Barker and colleagues revealed that all songbirds, including robins and crows, share a common origin in Australasia and New Guinea. The Passerida group, comprising 3,477 species, made it out of Australasia onto the Asian mainland before the Corvida group did, about 20 million years ago.
Researchers found that eastern chipmunks in Illinois and Wisconsin descend from ancestors who survived the last North American ice age in isolated forest pockets. These chipmunks migrated south, merging with warmer east and south populations, challenging long-held assumptions about glacier-driven population migrations.
A new study published by the Mayo Clinic research team found that many MS patients experience mild disability over time, with 71 of 99 walking unassisted in 1991 still doing so in 2001. The study also showed that only 20% of patients who didn't need a wheelchair in 1991 required one 10 years later.
The Canadian Medical Association Journal published a comprehensive review of peanut allergy prevalence, highlighting its severity and early onset. Self-injectable epinephrine remains a cornerstone of peanut allergy management, while new therapies are being developed to address this condition.
A new study by the Smithsonian Tropical Research Institute uses a large sample of live caterpillars to analyze tropical insect community composition. The research finds that there is indeed a predictable structure in caterpillar communities, allowing for more accurate measurements and applications in various studies.
A team of scientists from Smithsonian and other institutions sequenced bird genetic material found in the 1917 collection, comparing it with the 1918 pandemic virus HA gene sequence. The comparison suggests that the pandemic viral HA gene was not derived directly from an avian source.
Recent claims of fossil life on Earth over 3.8 billion years ago are called into question by researchers from The George Washington University and the Swedish Museum of Natural History. A new study suggests that carbon in ancient rocks may have formed non-biotically, rather than through biological processes.
Researchers predict that global climate change will cause substantial changes in the distribution of Mexican bird, mammal, and butterfly species. The study found that changing climate is predicted to bring about great instability, with some local communities losing up to 40% of their species.
Natural history museums are critical forces for understanding and conserving the world's biological diversity. They must focus on conservation, make collections accessible, collect and disseminate information faster, engage local communities, and promote science-based advocacy to advance conservation goals.
Kevin krajick's winning entry, 'The Crystal Fuel', reported on the discovery of methane hydrate crystals and their potential to contain twice the energy of Earth's coal, oil, and gas reserves. The article sparked significant interest in this relatively new area of research.