/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/accounts/headshot/RileyBlack.png)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083206mammal-family-tree-245x300.jpg)
Why Did Mammals Survive When Dinosaurs Perished?
Had the non-avian dinosaurs not been wiped out 65 million years ago, our species would probably never existed
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083205Anchiornis-colors.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/48/0c/480c68f9-c33d-4965-9b69-33fa9e8716dd/1186px-la-triceratops_mount-2.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083205Illu_compact_spongy_bone-300x173.jpg)
Bone vs. Stone: How to Tell the Difference
There is no single hard-and-fast rule for distinguishing rock from bone, but there are a few principles that can definitely help you tell the difference
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083205Dimetrodon_skeleton-300x199.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083205Haplocheirus-skeleton-300x119.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083205Sinosauropteryxfossil-180x300.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083204south-of-the-border-300x224.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083204Holtz-dinosaur-cover-240x300.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083204saurornitholestes-skeleton-300x225.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083204archaeopteryx-illustrated-180x300.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083204Shaochilong-skull-restoration-300x198.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083204alligator-respiratory-system.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083203Dino-Nat-Monument-Entrance-300x199.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083203CharlesHSternberg-245x300.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083203north-shore-dinosaur.jpg)
Dinosaur Sighting: A Superior Dinosaur
Of all places I would expect to find a dinosaur sculpture, the north shore of Lake Superior outside of Duluth, Minnesota would be the last on the list
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083202woman-dinosaurs-300x187.jpg)
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083202Lacusovagus-Witton-Pterosaur-297x300.jpg)
New Website Has the Scoop on Pterosaurs
The great thing about the Internet is that it makes it easy to find out about just about anything
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/20110520083202dinosaur-tail-infected-300x190.jpg)
Page 45 of 59