Results 161 to 170 of about 14,153 (259)

Fossils

, 2001
Ilustrado con fotografías y con un texto sencillo invita a los niños a descubrir el mundo de los fósiles como seres vivos que vivieron en otras épocas y que son necesarios para poder realizar el calendario de la Tierra. Incluye un glosario.
Gish, Melissa, Shaw, Nancy J.
openaire   +1 more source

High-temperature wood silicification: constraints from fluid and carbonaceous inclusions in quartz from Qitai, NW China. [PDF]

Sci Rep
Liu W, Shi G, Zhou Z, Qin L, Li X, Quan X, Yuan Y, Häger T, Jantschke A, Botcharnikov R.   +9 more
europepmc   +1 more source

Dos Mundos: A Communicative Approach [PDF]

, 1989
Gardiol, Rita
core   +2 more sources

Decay experiments and microbial community analysis of water lily leaf biofilms: Sediment effects on leaf preservation potential. [PDF]

PLoS One
Palmer B, Karačić S, Low SL, Janssen K, Färber H, Liesegang M, Bierbaum G, Gee CT.   +7 more
europepmc   +1 more source

Medusa's gaze: Cell traces and fibrils but no collagen in permineralized Jurassic ichthyosaur bone. [PDF]

iScience
Eustache RP, Boyde A, Jaurand X, Sander PM.   +3 more
europepmc   +1 more source

The Fossilized Birth-Death Model Is Identifiable. [PDF]

Syst Biol
Truman K, Vaughan TG, Gavryushkin A, Gavryushkina AS.   +3 more
europepmc   +1 more source

Molecular fingerprints resolve affinities of Rhynie chert organic fossils. [PDF]

Nat Commun, 2023
Loron CC, Rodriguez Dzul E, Orr PJ, Gromov AV, Fraser NC, McMahon S.   +5 more
europepmc   +1 more source

In Vitro Fossilization for High Spatial Resolution Quantification of Elements in Plant-Tissue Using LA-ICP-TOFMS. [PDF]

Anal Chem
Becker P, Nauser T, Wiggenhauser M, Aeschlimann B, Frossard E, Günther D.   +5 more
europepmc   +1 more source

Phytochemical Screening of 45-Million-Year-Old Colored Angiosperm Leaves Reveals Distinctive Chlorophyll-Derived and Polyphenolic Pigments. [PDF]

Geobiology
Wolkenstein K, Müller CE, Engeser M, Frauendorf H, McCoy VE, Gee CT.   +5 more
europepmc   +1 more source

Deep-time preservation of amino acids in mammalian fossil tooth enamel. [PDF]

Commun Biol
Gatti L, Lugli F, Rubach F, Leichliter J, Sciutto G, Prati S, Tütken T, Martínez-García A.   +7 more
europepmc   +1 more source