Chickens treated to inhibit the sonic hedgehog (Shh) pathway during development grow feathers that resemble ancient ...

A few times weekly we put our favorite free crochet patterns. There may also be an option for a PDF version from Etsy. If you ...

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A trove of fossilized dinosaur footprints has been found on a slab of rock gathering dust inside an Australian school, scientists said on Wednesday. The rock went largely unnoticed for 20 years ...

The 2005 finding of cells and blood vessels in dinosaur bone launched a systematic search for fossil remnants of biomolecules, creating innovations in methods and applications. Jasmina Wiemann is ...

The newly identified dinosaur may have been about the size of a pony, and was at least eight years old when it died, according to the researchers. The fossil was first recorded by paleontologists ...