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Lab-grown eyes crack why we see millions of colors that cats, dogs don t

Scientists have been attempting to understand the diverse underlying processes that contribute to our unique ability to see a wide range of colors.

Sarah hadyniakSarah hadyniak johns hopkins universityJohns hopkinsLab retinaEtinal organoidsNone cellsRetinoic acidFred coneGreen conePsin proteinHuman retinaHotoreceptor cellsColor blindnessOlor vision in dogs

Could DNA Have Survived 6 Million Years Inside a Turtle Shell?

A team of paleontologists studying the fossilized shell of a sea turtle from the Miocene Epoch found something surprising and perhaps impossible: preserved bone cells that they believe may contain ancient DNA, the molecule that holds the genetic information of living things.

Panama cityEvan saittaSaitta centrosaurusUniversity of chicagoMiocene epochAncient dnaNone cellsTurtle shellJournal of vertebrate paleontologyPanama city

This 6-million-year-old turtle shell still has some DNA

The extracted material could redefine how long DNA and protein can survive in the fossil record.

Caribbean seaBelize generalUnited statesIsthmus of panamaPanama generalSmithsonian tropical research institutePacific oceanEdwin cadenaChagres formationUniversidad del rosarioSea turtlesGreen sea turtlesEdwin cadenaUcleus ofa cellTurtle shellNone cells

9 Ways to Maintain Bone Health as You Age

Bones are living tissue that require just as much care as your joints and skin, especially as you get older.

United statesSanta monicaBaylor college of medicineJeffrey zarinKarenm suttonMartha stewartAdhil shahzad ahmedNational institute on alcohol abuseCedars sinai kerlan jobe institute in santa monicaCedars sinai kerlan jobe instituteShahzad ahmedBaylor collegeSpecial surgeryCommon foods that are surprisingly goodNational instituteAlcohol abuse

Gene-editing reverses vision loss in mice

Researchers used CRISPR-based genome editing to successfully restore vision in mice with retinitis pigmentosa, a major cause of blindness in humans.

Elissa wolfsonKai yaoWuhan university of scienceScience advisory boardExperimental medicineWuhan universityRetinitis pigmentosaVision lossVision restorationGenome editingRod cellsNone cellsLeber congenital amaurosisRetinal pigment epitheliumHotoreceptor cellsDe6ß gene

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