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Hace 1 día · Con mucha expectativa, la NASA presenta su última innovación tecnológica: un robot con forma de serpiente diseñado para adentrarse en territorios desconocidos. Lo bautizaron como Exobiology Extant Life Surveyor (EELS). Este proyecto, aún en fase embrionaria, promete brindar grandes aportes en la exploración espacial como lo hicieron los ...
Hace 2 días · All extant baronetcies, including vacant baronetcies, are listed below in order of precedence (i.e. date). All other baronetcies, including those which are extinct, dormant or forfeit, are on a separate list of baronetcies. The list is current as of January 2024, when it was last updated.
Hace 1 día · Work underway at the Center for Electron Microscopy and Analysis (CEMAS) aims to help researchers study the internal anatomy of both extinct and extant species of mussels and create 3D models that can be analyzed by other researchers. Freshwater mussels may be small, but their impact on water ecosystems is huge.
Hace 1 día · Mexico, Sinaloa, Mazatlán, by dredging, ex coll. F.J.A. Slieker Jr.. Image by Joop Trausel and Frans Slieker
Hace 1 día · DOI: 10.1007/s12549-024-00607-4. The interesting thing about these fossils was their iridescent, metallic appearance. This is probably due to so-called structural colors, where the surface of the ...
Hace 5 días · A less stressed shift in the cranial variability can probably be related to the attainment of sexual maturity. Semilandmarks and landmarks are powerful tools to discriminate between extant species and, therefore, this technique will be particularly useful in the future to study fossil ones as well.
Hace 5 días · White Sturgeon. Hailshadow / Getty Images. Easily the largest freshwater fish in North America, the white sturgeon can grow to 12 to 20 feet in length and can weigh nearly one ton. It's an ancient ...
