Results 31 to 40 of about 1,434,799 (290)

L-form bacteria, chronic diseases and the origins of life. [PDF]

Philos Trans R Soc Lond B Biol Sci, 2016
Errington J, Mickiewicz K, Kawai Y, Wu LJ.   +3 more
europepmc   +2 more sources

James J. Kaput (1942–2005) imagineer and futurologist of mathematics education [PDF]

, 2008
Jim Kaput lived a full life in mathematics education and we have many reasons to be grateful to him, not only for his vision of the use of technology in mathematics, but also for his fundamental humanity.
D. O. Tall, D. O. Tall, David Tall, E. M. Gray, I. N. Stewart, J. E. Sims-Knight, J. Fleming, J. J. Kaput, J. J. Kaput, J. J. Kaput, J. J. Kaput   +10 more
core   +2 more sources

Airway remodeling: The Drosophila model permits a purely epithelial perspective

Frontiers in Allergy, 2022
Airway remodeling is an umbrella term for structural changes in the conducting airways that occur in chronic inflammatory lung diseases such as asthma or chronic obstructive pulmonary disease (COPD).
Birte Ehrhardt, Natalia El-Merhie, Draginja Kovacevic, Juliana Schramm, Judith Bossen, Thomas Roeder, Susanne Krauss-Etschmann, Susanne Krauss-Etschmann   +7 more
doaj   +1 more source

Benjamin Franklin and the leather-apron men: the politics of class in eighteenth-century Philadelphia [PDF]

, 2009
Benjamin Franklin's autobiography reveals his deep investment in shaping and controlling how both his contemporaries and posterity assessed his life and achievements.
Crowther, SIMON P. NEWMAN
core   +1 more source

RNA Back and Forth: Looking through Ribozyme and Viroid Motifs

Viruses, 2019
Current cellular facts allow us to follow the link from chemical to biochemical metabolites, from the ancient to the modern world. In this context, the “RNA world„ hypothesis proposes that early in the evolution of life, the ribozyme was ...
Marie-Christine Maurel, Fabrice Leclerc, Jacques Vergne, Giuseppe Zaccai   +3 more
doaj   +1 more source

Diet of the earliest modern humans in East Asia

Frontiers in Plant Science, 2022
Reconstructing diet can offer an improved understanding toward the origin and evolution of modern humans. However, the diet of early modern humans in East Asia is poorly understood.
Yan Wu, Yan Wu, Dawei Tao, Xiujie Wu, Xiujie Wu, Wu Liu, Wu Liu, Yanjun Cai   +7 more
doaj   +1 more source

New Working-Class Studies [PDF]

, 2005
In this book, contributors trace the origins of the new working-class studies, explore how it is being developed both within and across fields, and identify key themes and issues.
Linkon (Editor), Sherry Lee, Russo (Editor), John   +1 more
core   +2 more sources

Formamide and the origin of life [PDF]

Physics of Life Reviews, 2012
The complexity of life boils down to the definition: "self-sustained chemical system capable of undergoing Darwinian evolution" (Joyce, 1994) [1]. The term "self-sustained" implies a set of chemical reactions capable of harnessing energy from the environment, using it to carry out programmed anabolic and catabolic functions.
Saladino, R, CRESTINI, CLAUDIA, Pino, S, Costanzo, G, Di Mauro, E.   +4 more
openaire   +7 more sources

Algumas controvérsias sobre a origem da vida Some controversies on the origin of life

Química Nova, 2008
In the present paper some controversies on the origin of life are discussed. Did the first living beings on Earth have an autotrophic or heterotrophic origin? What did come first, genetic code or metabolism? Were cells invented early?
Dimas A. M. Zaia, Cássia Thaïs B. V. Zaia   +1 more
doaj   +1 more source

Prebiotic competition and evolution in self-replicating polynucleotides can explain the properties of DNA/RNA in modern living systems

BMC Evolutionary Biology, 2020
Background We hypothesize prebiotic evolution of self-replicating macro-molecules (Alberts, Molecular biology of the cell, 2015; Orgel, Crit Rev Biochem Mol Biol 39:99-123, 2004; Hud, Nat Commun 9:5171) favoured the constituent nucleotides and ...
Hemachander Subramanian, Joel Brown, Robert Gatenby   +2 more
doaj   +1 more source