Tag Archive for 'Canada'

Reconstruction of a pair of Stanleycaris hirpex. Image credit: Sabrina Cappelli, Royal Ontario Museum.

Three-Eyed Cambrian Animal Sheds Light on Origin of Arthropod Head and Segmentation

Jul 11, 2022 by Enrico de Lazaro

Paleontologists from the University of Toronto and the Royal Ontario Museum have examined 268 specimens of Stanleycaris hirpex — a radiodont that...

Life reconstruction of Balhuticaris voltae. Image credit: Hugo Salais.

Cambrian Bivalved Arthropod Had Extremely Multisegmented Body

Jul 8, 2022 by Natali Anderson

Balhuticaris voltae is the largest bivalved arthropod to date, at almost double the size of the previous record-holder, Nereocaris exilis. Life reconstruction...

Life reconstruction of the steppe mammoth (Mammuthus trogontherii). Image credit: Beth Zaiken / Centre for Palaeogenetics.

Woolly Mammoth Calf Discovered in Yukon Permafrost

Jun 27, 2022 by News Staff

Nun cho ga is the most complete mummified mammoth found in North America. Steppe mammoths. Image credit: Beth Zaiken / Centre for Palaeogenetics. The near...

The wandering salamander (Aneides vagrans). Image credit: Christian Brown.

Wandering Salamanders are Able to Maneuver in Freefall, Study Shows

May 23, 2022 by News Staff

Wandering salamanders (Aneides vagrans) reside in the crowns of the world’s tallest trees, California’s coast redwoods, and have been observed to readily...

A sample of glass that recorded at 2,370 degrees Celsius. Image credit: Gavin Tolometti.

Scientists Confirm Discovery of ‘Hottest Rock on Earth’

Apr 15, 2022 by News Staff

Cubic zirconia from the 28-km- (17.4-mile) wide Mistastin Lake crater in Canada required >2,370 degrees Celsius melt, which is hottest recorded on Earth’s...

Hematite tubes from the NSB hydrothermal vent deposits that represent the oldest microfossils and evidence for life on Earth. Image credit: Matthew Dodd, University College London.

Diverse Microbial Life Forms Existed At Least 3.75 Billion Years Ago, Study Confirms

Apr 14, 2022 by News Staff

In 2017, paleontologists found 3.75- to 4.28-billion-year-old microscopic filaments and tubes, which appeared to have been made by iron-loving bacteria,...

Thanatotheristes degrootorum. Image credit: Julius Scotonyi, Royal Tyrrell Museum.

Mystery of Missing Apex Predators in Cretaceous North American and Asian Ecosystems Solved

Apr 13, 2022 by The Conversation

The top predator of the Jurassic and Cretaceous landscapes was usually a species of carnivorous dinosaur. These predators walked on two legs, had powerful...

Coelho et al. provide a guide for the search for surface life on icy worlds based on biota from Earth’s icy environments. Image credit: Jack Madden.

Astrobiologists Create Catalog of Icy World Surface Biosignatures

Mar 15, 2022 by News Staff

With thousands of discovered exoplanets and new missions that will explore our Solar System, the search for life in the Universe has entered a new era....

Hypothetical reconstruction of the Tyrants Aisle tracksite during track formation, depicting a small herd of Edmontosaurus regalis as they produce tracks in a riverine setting; a lone tyrannosaurid dinosaur watches the herd, while a pair of troodontids scuffle nearby. Image credit: José Vitor Silva.

72.5-Million-Year-Old Dinosaur Footprints Discovered in Canada

Feb 16, 2022 by Enrico de Lazaro

An international team of paleontologists from Australia, Canada and Italy has documented more than 100 footprints of hadrosaurid and tyrannosaurid dinosaurs...

$Study area and hybrid-frequency waveform earthquakes (EHWs): (a) hydraulic fracturing activity and seismicity in northeast British Columbia, Canada; the top-right inset shows the geographic location of the study area (red rectangle); blue diamonds: hydraulic fracturing injection wells between January 1, 2014 and December 31, 2016, reported by the British Columbia Oil and Gas Commission; yellow dots: earthquakes during the same period; stars: 10 M 4-5 earthquakes since 2008; black rectangle: study area in which EHWs occurred; (b, c) comparison between representative examples of a typical induced event (black trace) and an EHW (purple trace); both waveforms are from the vertical component of station MG03 with comparable source-station distance (1.32 km vs. 1.65 km) and magnitudes (MW1.5); manually picked P/S-arrivals are marked; the comparison of P/S-pulse shape demonstrates the relatively wider pulses for EHWs; (d, e) the same as (b) and (c) but for waveforms recorded at station MG02; both events show longer coda durations with slightly larger epicentral distances; note that although both types of events have extended coda durations, the EHW contains a relatively larger proportion of lower-frequency energy in the coda. Image credit: Yu et al., doi: 10.1038/s41467-021-26961-x.$

Scientists Detect New Type of Fluid-Injection-Induced Earthquake

Dec 6, 2021 by News Staff

Unlike conventional earthquakes of the same magnitude, the newly-identified hybrid-frequency waveform earthquakes are slower and last longer. Study area...

Kuitems et al. provide evidence that the Norse were active on the North American continent in the year 1021 CE. Image credit: Oscar C.R.

New Research Provides Evidence that Vikings were Present in Newfoundland 1,000 Years Ago

Oct 22, 2021 by News Staff

The Vikings (or Norse) were the first Europeans to cross the Atlantic, confirms a new study published in the journal Nature. Kuitems et al. provide evidence...

Planisphere made by Rumold Mercator, 1587.

Milanese Friar Knew about North America 150 Years before Columbus Voyage, Researchers Say

Oct 12, 2021 by News Staff

The Cronica universalis, written in Latin by the Milanese friar Galvaneus Flamma (in Italian, Galvano Fiamma, 1283 – c. 1345), contains an astonishing...

Reconstruction of Titanokorys gainesi. Image credit: Caron & Moysiuk, doi: 10.1098/rsos.210664.

Meet Titanokorys gainesi, Giant Radiodont from Burgess Shale

Sep 8, 2021 by News Staff

Paleontologists have described the largest Cambrian hurdiid radiodont known so far, named Titanokorys gainesi, from the Burgess Shale, British Columbia,...

Sponge-Like Animals May Have Lived in Oceans 890 Million Years Ago

Jul 30, 2021 by Enrico de Lazaro

Paleontologists have found possible sponge body fossils in 890-million-year-old microbial reefs in northwestern Canada. If verified, they may pre-date...

The discovery of a spike of mercury in 252-million-year-old rock at locations around the world gives evidence for the prevailing theory that volcanic eruptions caused the end-Permian extinction. Image credit: Margaret Weiner / University of Cincinnati Creative Services.

Siberian Volcanic Eruptions Triggered End-Permian Mass Extinction, New Study Confirms

Jun 22, 2021 by News Staff

The end-Permian mass extinction — the most severe extinction event in the past 540 million years — was caused by massive volcanic eruptions...

Photographs of the find location and the 6,000-year-old throwing dart recovered in 2018 in Yukon, Canada: (a) composite photograph of the dart; (b) dart in its discovery location, showing the distal end; (c) dart in its discovery location showing the proximal end; (d) map with location of the ice patch site JcUu-1, near Alligator Lake, southern Yukon, in the overlapping traditional territories of the Carcross/Tagish First Nation and the Kwanlin Dün First Nation; (e) view of the ice patch JcUu-1 from the west with approximate find location marked. Image credit: Yukon Government.

Archaeologists Find Beaver Castoreum on 6,000-Year-Old Throwing Dart

Jun 16, 2021 by News Staff

Archaeologists have identified castoreum — a substance harvested from the castor sacs of beavers — as a component of the design and construction...

Artistic reconstruction of a tyrannosaur creating footprints. Image credit: José Vitor Silva.

Young Tyrannosaurs Had More Slender Feet than Adults, Study Finds

Apr 23, 2021 by News Staff

An international team of paleontologists has examined a collection of 72.5-million-year-old tyrannosaur — probably Albertosaurus — footprints...

Gray wolves take down a horse on the mammoth-steppe habitat of Beringia during the Late Pleistocene, around 25,000 years ago. Image credit: Julius Csotonyi.

Yukon Wolves Survived Ice-Age Extinction Thanks to Changes in Their Diet

Apr 12, 2021 by News Staff

Gray wolves (Canis lupus) from the Yukon Territory, Canada, survived the extinction at the end of the last Ice Age by adapting their diet over thousands...

An artist’s impression of a juvenile tyrannosaur. Image credit: Julius Csotonyi.

Tyrannosaur Hatchlings Were as Big as Medium-Sized Dog

Jan 26, 2021 by News Staff

An international team of paleontologists has examined the fossilized remains of baby tyrannosaurid dinosaurs found in Alberta, Canada, and Montana, the...

Labradormantis guilbaulti. Image credit: Demers-Potvin et al., doi: 10.1111/syen.12457.

Fossil of Cretaceous-Period Praying Mantis Found in Canada

Jan 22, 2021 by News Staff

Paleontologists have identified a new fossil genus and species of primitive praying mantis from fore- and hind-wing imprints discovered in Labrador, Canada. Labradormantis...

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