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New Way to Study Magnetic Fossils Could Help Unearth Their Origins

February 1st, 2021, 3:00PM
/ BY
Abigail Eisenstadt
This is a giant spindle magnetofossil, created by a mysterious creature over 50 million years ago. So far, the iron fossils have only been found during two periods of intense global warming. (Kenneth Livi, Courtney Wagner, and Ioan Lascu)
Deep underneath the ocean’s murky floor, there are iron bullets, needles, and spearheads. But they weren t left there by people. Instead, they are the fossilized remains of unknown organisms who lived millions of years ago through at least two extreme global warming events.
These so-called “giant” magnetofossils are impossible to see with the naked eye. Because of their size, geologists and paleobiologists used to have to study them using a labor intensive and destructive process. ....

Ioan Lascu , Robert Hevey , Courtney Wagner , Kated Sherwood , Ramon Egli , Abigail Eisenstadt , Proceedings Of The National Academy Sciences , Smithsonian Institution , University Of Utah , Central Institute Of Meteorology , Department Of Mineral Sciences , Smithsonian National Museum Of Natural History , New Way , Kenneth Livi , National Museum , Natural History , Central Institute , National Academy , Helen Hintz Secretarial Scholar , Mineral Sciences , Eocene Thermal Maximum , Mid Eocene Climatic Optimum , கோர்ட்னி வாக்னர் , ராமன் எ.கா. , ஸ்மித்சோனியன் நிறுவனம் , பல்கலைக்கழகம் ஆஃப் உட்டா ,

Scientists Find First Vertebrate with Two "Powerhouse" Genomes | Smithsonian Voices | National Museum of Natural History

January 29th, 2021, 9:48AM
/ BY
Abigail Eisenstadt
The Tuatara,
Sphenodon punctatus, is a unique reptile found in New Zealand. New research suggests the species has two mitochondrial genomes. (Robert Sprackland)
250 million years ago, many tuataras roamed the world. Now, only one species remains. In fact, the modern tuatara,
Sphenodon punctatus, is the only surviving family member of its taxonomic order,
Rhynchocephalia.
Today, a new paper in
Communications Biology suggests there is something even more remarkable about this little survivor. Scientists have now found that the species may have two mitochondrial genomes, making it unlike any other vertebrate in the world.
All animals have nuclear DNA found in the cell’s nucleus and mitochondrial DNA, located in the so-called cellular “powerhouse,” the mitochondria. By examining both types of genomes, scientists are building pictures of countless species evolu ....

New Zealand , Rebecca Johnson , Lee Weigt , Abigail Eisenstadt , Dan Mulcahy , Vanessa Gonz , Global Genome Initiative , National Museum Of Natural History , Communications Biology , University Of Chicago , Office Of Academic Services , Smithsonian National Museum Of Natural History , Robert Sprackland , Ella Buring , National Museum , Natural History , Academic Services , Global Biodiversity Genomics Conference , Analytical Biology , Associate Director , புதியது ஜீலாந்து , ரிபேக்க ஜான்சன் , டான் முல்கேஹீ , வனேசா கோன்ஸ் , உலகளாவிய மரபணு முயற்சி , தேசிய அருங்காட்சியகம் ஆஃப் இயற்கை வரலாறு ,

Apple Maps Review

All Specs
Google Maps might’ve been the first big navigation app, but that doesn’t mean it’s going to be king of the map apps forever. Eight years after launch, Apple Maps has come close to reaching parity with Google’s offering, backed by Apple’s considerable resources. Heading into 2021, Apple Maps has improved its maps and satellite imagery, cycling navigation, and city-based Guides, and offers a new Look Around feature that rivals Google s Street View. Overall, Apple Maps still trails Google Maps, the PCMag Editors Choice pick for navigation apps, due to a few missing features, but it s clear that Cupertino is all-in on catching up to and surpassing Google. ....

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Apple Maps - Review 2021 - PCMag UK

A cleaner, privacy-focused take on the map app ....

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Seven Free Natural History Programs Streaming in February

January 28th, 2021, 6:00AM
/ BY
Anna Torres
Celebrate the Mayan New Year with a Mayan astronomy webinar in Spanish and more in February’s lineup of virtual programs from the Smithsonian’s National Museum of Natural History. ( El Castillo (Pyramid of Kukulcán) in Chichén Itzá by Daniel Schwen, CC BY-SA 4.0)
A virtual science café, an online lecture on coral reproduction and a Mayan Astronomy webinar in Spanish; stream these free programs and more this February through the Smithsonian’s National Museum of Natural History.
How Beetles Adapted to Survive
Feb. 3, 1 p.m. ET
Discover the dazzling diversity of beetles with Entomologist Floyd Shockley in a National Museum of Natural History program streaming Feb. 3. (Donald E. Hurlbert, Smithsonian) ....

United States , National Museum Of Natural History , District Of Columbia , Fort Pierce , Advait Jukar , Daniel Schwen , Danna Torres , Jennifer Sneed , Briana Pobiner , Floyd Shockley , Bruce Lyon , Chichen Itza , Catherine Harris , Donalde Hurlbert , Sahas Barve , National Museum Of Natural History Program , Yale University , A Mayan Astronomy Program , Smithsonian National Museum Of Natural History , Seven Free Natural History Programs Streaming , Mayan New Year , National Museum , Natural History , Mayan Astronomy , Beetles Adapted , Virtual Science Caf ,