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19th Century Experiments Explained How Trees Lift Water
Ben Andrew Henry | Feb 1, 2017
A maple branch and shattered equipment led to the cohesion-tension theory, the counterintuitive claim that water’s movement against gravity involves no action by trees.
Early 3-D Image Analysis Revealed Surprising Symmetry in the Nuclear Pore
Ben Andrew Henry | Dec 1, 2016
In 1992, advancements in microscopy zoomed in on the precise architecture of the complex, including unforeseen structural repetition in two halves of the ring.
Two-Photon Microscopy’s Historic Influence on Neuroscience
Alison F. Takemura | Nov 1, 2016
In the 1990s, the development of this gentler and more precise microscopy method improved scientists’ ability to probe neurons’ activity and anatomy.
Science History: The First Transgenic
Kerry Grens | Oct 1, 2016
Tweaks to a transformation protocol in 1986 cemented the little plant's mighty role in plant genetics research.
ESP on Trial
Catherine Offord | Sep 1, 2016
In the 1930s, parapsychologist Joseph Banks Rhine aimed to use scientific methods to confirm the existence of extrasensory perception, but faced criticisms of dubious analyses and irreproducible results.
First Micrographs of Myxobacteria Forming Fruiting Bodies
Tracy Vence | Aug 1, 2016
By ditching traditional agar-based media, two biochemists captured iconic images of
Picturing Inheritance, 1916
Amanda B. Keener | May 1, 2016
This year marks the centennial of Calvin Bridges’s description of nondisjunction as proof that chromosomes are vehicles for inheritance.
Fighting Cancer with Infection, 1891
Catherine Offord | Apr 1, 2016
Now hailed as the father of immunotherapy, William Coley pioneered extraordinary methods to treat cancer.
Cave Dwellers, 1938
Anna Azvolinsky | Mar 1, 2016
Renowned sleep researcher Nathaniel Kleitman and a colleague spent a month underground to test the body’s natural rhythms.
Mendel in the Hot Seat, 1902
Karen Zusi | Feb 1, 2016
Raphael Weldon’s critiques of Mendelian principles were 100 years ahead of his time.