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10,000-Year-Old Mastodon Tooth Discovered in California by Scientist

10,000-Year-Old Mastodon Tooth Discovered in California by Scientist

A remarkably well-preserved 10,000-year-old Pacific mastodon molar was recently discovered in San Mateo County, California, by geomorphologist Brigid Lynch. Initially mistaken for a peculiar rock, the object was later confirmed by paleontologists to be an adult mastodon tooth. According to Wayne Thompson, a paleontologist, it is the most complete and spectacular mastodon molar found in the area. The Pacific mastodon, a large mammal related to modern-day elephants, was prevalent in the American West, including California, and went extinct over 10,000 years ago due to climate change and overhunting. The fossilized tooth has been donated to Stanford University, where researchers at the school of sustainability will use carbon dating to determine its precise age. This discovery provides valuable insight into the Ice Age saga and past biodiversity.
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Scientists Discover First Adult T. Rex Trackway in North Dakota

Scientists Discover First Adult T. Rex Trackway in North Dakota

Researchers have unearthed the first known trackway of an adult Tyrannosaurus rex in North Dakota. This discovery, detailed in the Journal of Vertebrate Paleontology, consists of a 7-meter (23-foot) long path preserving four footprints, each approximately 1 meter (3.2 feet) long and up to 0.80 meters (2.6 feet) wide. The trackway dates back 66.5 million years ago, just before the asteroid impact that led to the extinction of non-avian dinosaurs. While T. rex skeletal remains are relatively common, trackways are exceptionally rare, with only a couple of isolated footprints previously found in New Mexico and Montana. This new finding provides a unique glimpse into the behavior and movement of an adult T. rex, offering insights that skeletal remains cannot. The track separation suggests an average stride length of about 4 meters (13.1 feet), indicating an estimated walking speed of 1.5 to 2 meters per second (3.3 to 4.5 miles per hour). Three of the footprints are slated to be airlifted to the Denver Museum o...
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John Elway Led the Nation With 24 Touchdown Passes as a Senior

John Elway Led the Nation With 24 Touchdown Passes as a Senior

Before becoming an NFL legend, John Elway carved out an impressive collegiate career at Stanford University, showcasing the talent that would later...
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Wildfires Intensify in North American Forests, Threatening Long-Term Ecosystem Transitions

Wildfires Intensify in North American Forests, Threatening Long-Term Ecosystem Transitions

Wildfires in North American forests are becoming faster and more destructive, driven by climate change and other contributing factors, according to a new paper published in the journal Science Advances. Lead author Jonathan Coop highlights that the increased speed and severity of these fires have significant long-term ecological consequences, potentially leading to permanent shifts from forested landscapes to non-forest conditions. This phenomenon is already evident in parts of the Southwestern U.S., California's Sierras, and portions of the interior West. The study emphasizes that the way fires burn today, characterized by high severity, appears incompatible with the persistence of dry-conifer forests, which have historically experienced lower-intensity fire regimes. This acceleration of fire activity is also expected to hasten changes in the distribution of forest types across the North American forest biome as species are forced to adapt to shifting climatic conditions.
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Cambrian Period Witnessed Significant Diversification of Life, Posing Evolutionary Puzzles

Cambrian Period Witnessed Significant Diversification of Life, Posing Evolutionary Puzzles

The Cambrian period, which occurred approximately 541 to 540 million years ago, is recognized for a rapid and extensive diversification of life forms, an event commonly referred to as the Cambrian Explosion. This relatively brief period, lasting between 20 to 25 million years, saw the appearance of most major animal phyla in the fossil record. This sudden emergence of diverse life forms presents a significant scientific puzzle, as evidence suggests that the complexity and variety of multi-cellular life had already begun to increase well before the Cambrian period, specifically during the Neoproterozoic and Mesoproterozoic periods. The Cambrian Explosion is characterized by the emergence of numerous new types of animal life, including various microfaunal groups, and remains an area of ongoing research and limited understanding despite extensive study.
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Well-preserved tooth from Pacific mastodon found in a creek in San Francisco Bay Area

Well-preserved tooth from Pacific mastodon found in a creek in San Francisco Bay Area

Brigid Lynch was working along a wooded creek in a mountainous part of the San Francisco Bay Area on a habitat restoration project when something that didn’t look like the rocks she’d been studying caught her eye
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Well-Preserved Pacific Mastodon Tooth Discovered in San Francisco Bay Area Creek

Well-Preserved Pacific Mastodon Tooth Discovered in San Francisco Bay Area Creek

A well-preserved fossilized tooth from a Pacific mastodon was discovered earlier this year in a creek within a mountainous area of the San Francisco Bay Area. Brigid Lynch, a geomorphologist at Balance Hydrologics, found the tooth while working on a habitat restoration project for the California red-legged frog in a Midpeninsula Regional Open Space District preserve in San Mateo County. The tooth, approximately 9 inches (23 centimeters) long, is in excellent condition, retaining both its crown and root, with even the root canal visible. The discovery was announced this week by the public land management agency, which preserves over 70,000 acres in the Santa Cruz Mountains region. The fossil has since been donated to Stanford University’s Doerr School of Sustainability.
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Fossilized Pacific Mastodon Tooth Discovered in San Francisco Bay Area Creek

Fossilized Pacific Mastodon Tooth Discovered in San Francisco Bay Area Creek

A well-preserved fossilized tooth from a Pacific mastodon was discovered in a creek within a San Francisco Bay Area preserve. Brigid Lynch, a geomorphologist at Balance Hydrologics, found the tooth earlier this year while working on a habitat restoration project for the threatened California red-legged frog in a Midpeninsula Regional Open Space District preserve in San Mateo County. The tooth, approximately 9 inches long, is in excellent condition, retaining both its crown and root, with even the root canal visible. The discovery was announced by the public land management agency, which oversees over 70,000 acres in the Santa Cruz Mountains region. The fossil has since been donated to Stanford University’s Doerr School of Sustainability, where it will be studied and a 3D copy will be made for public outreach and education by the Midpeninsula Regional Open Space District. This find highlights the presence of extinct elephant-like species in the region thousands of years ago.
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Scientists Discover First Adult T. rex Trackway in North Dakota Badlands

Scientists Discover First Adult T. rex Trackway in North Dakota Badlands

Paleontologists have uncovered the first known trackway made by an adult Tyrannosaurus rex (T. rex) in the badlands of southwestern North Dakota. The discovery, made by a team from the Denver Museum of Nature & Science and Liverpool John Moores University, consists of four connected, large, three-toed footprints. These tracks date back approximately 66.5 million years ago, placing them near the very end of the Cretaceous Period, shortly before the asteroid impact that led to the extinction of dinosaurs. The trackway measures about 23 feet long, with individual toes around 3.3 feet long. The spacing between the prints suggests the T. rex had a stride of about 13 feet and was likely walking at a speed of 3.5 to 4.5 mph. This finding provides a rare glimpse into the behavior of an adult T. rex as it moved across the ancient landscape, offering insights beyond what skeletal remains alone can provide. The site was scanned using 3D technology to support the hypothesis, and T. rex skeletal elements found nearby f...
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Gilead Sciences Opens New Research Center in California, Expanding Drug Discovery Capabilities

Gilead Sciences Opens New Research Center in California, Expanding Drug Discovery Capabilities

Gilead Sciences Opens New Research Center in California, Expanding Drug Discovery Capabilities
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California's oldest bar still pouring drinks 150 years later

California's oldest bar still pouring drinks 150 years later

Built in 1852, the Iron Door Saloon near Yosemite offers a glimpse into California's colorful Gold Rush history.
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California Waste Solutions Nears 35-Year Milestone in Recycling and Environmental Infrastructure

California Waste Solutions Nears 35-Year Milestone in Recycling and Environmental Infrastructure

California Waste Solutions Nears 35-Year Milestone in Recycling and Environmental Infrastructure