Posts

September 26, 2014

+
5:52 AM | Wooster’s Fossil of the Week: A crinoid calyx from the Upper Ordovician of southern Ohio
This week’s contribution from the Wooster collections will be short. If all is going well, as this is posted I’m on my way to the Fourth International Palaeontological Congress in Mendoza, Argentina. I hope to have a few posts from that exotic place! The fossil above is the crown of a monobathrid crinoid called Xenocrinus […]
+
1:30 AM | Tmetoceras Ammonite Fossil
Here is a picture of a Tmetoceras scissum ammonite fossil at the Museo di Paleontologia at Sapienza University of Rome Italy. Creature existed in the Middle Jurassic Period. Image taken in June 2014.

September 25, 2014

+
7:32 PM | Ziapelta – New Mexico’s Newest Dinosaur
Another day, another dinosaur. The last to trundle out into public view was Rhinorex, a shovel-beaked herbivore that …
+
6:45 PM | No Single Missing Link Between Birds and Dinosaurs
Birds didn't evolve in one fell swoop from their dinosaur ancestors, suggests a newly constructed dinosaur family tree.
+
4:00 PM | Meet the Top 10 Meat-Eating Dinos: Photos
A newly assembled carnivorous dinosaur family tree includes some of the toothiest and most ferocious dinosaurs of all time.
+
2:42 PM | Person For Scale – You Know You’re a Geologist When…
There are lists hopping around the Internet about ways to tell if you’re this or that. One of my favorites is the You Know You’re a Geologist When… list. There is a lengthy discussion of the signs and habits of … Continue reading →
+
3:09 AM | Silicate Minerals and Bowen’s Reaction Series
Essentially all of the solid Earth, except for the slimy biological parts, is composed of minerals. Minerals on Earth may be divided into several categories, depending upon their composition and structure. Carbonate and phosphate minerals are important for life, in … Continue reading →
+
1:37 AM | The evolutionary history of walruses, part 4: the odobenines and the evolution of the modern walrus
[…]
+
1:30 AM | Idmonea Bryozoan Fossil
Here is a picture of a Idmonea clathrata bryozoan fossil at the Museo di Paleontologia at Sapienza University of Rome Italy. Image taken in June 2014.

September 24, 2014

+
9:46 PM | Sex, the Early Years
Sex is an ancient tradition. It’s older than today’s continents, older than dinosaurs, older than trees, dating back …
+
1:36 AM | Triassic Bites and a Carnivore Conundrum
The Triassic was one of the strangest times in the history of the planet. Rebounding from the worst …
+
1:30 AM | Acanthocladia Bryozoan Fossil
Here is a picture of a Acanthocladia anceps bryozoan fossil at the Museo di Paleontologia at Sapienza University of Rome Italy. Creatures like this existed at the time of the upper Permian Period. Image taken in June 2014.

September 23, 2014

+
8:34 PM | Solite Excavation, Day 7
The seventh day of our Solite excavation was a stark contrast to last week. This week we had a smaller crew, weather any paleontologist would dream of, and we found significantly more and better preserved fossils. I also succeeded in … Continue reading →
+
7:21 PM | Tutorial 28: how to remember the branches of the internal iliac artery
  Here’s a thing I put together to help my students understand the many branches of the internal iliac artery in humans. In the image above, we’re looking in superomedial view into the right half of the sacrum and pelvis. Bones are white, ligaments blue, the piriformis muscle sort of meat-colored, and arteries red (for […]
+
4:07 PM | Repost – The making of a scientist
This morning Anthony Martin published a beautiful tribute at his blog Life Traces of the Georgia Coast, describing the importance of parental support and maximizing childhood opportunities in becoming a scientist, especially when growing up poor. Seemingly small acts of … Continue reading →
12345
135 Results