But digital textbooks have been slow to appear, a lag that has been attributed to everything from technological limitations to publishers' fears of copyright infringements.
Historically, van Gogh's ear cutting has been attributed to everything from his mental illness to his lead paints to a fight with his fellow painter Paul Gauguin.
Its legacy has been attributed to everything from ending violence on the football terraces to a greater acceptance of gay culture.
The downturn has been attributed to competition from imported goods and to the high cost of borrowing, which has deterred investment in new technology.
The name change has been attributed to everything from Kentucky state forcing companies to pay licensing fees for using its name and KFC's desire to distance itself from the unhealthy connotations of "fried", to governmental pressure on KFC to drop the word "chicken" due to its controversial livestock practices.
Shergar In the quarter-century since his disappearance, the kidnap of Shergar on 8 February 1983 has been attributed to everyone from Lord Lucan to Colonel Gadaffi and has inspired countless conspiracy theories (hair dye, Belgian ringers, a deep freeze) as well as an imaginative 1990 movie starring Mickey Rourke ('If they find us, it's a bullet in the head!').
This lack of hair has been attributed to everything from a putative aquatic period in the species's past to the advantages of displaying a healthy skin to members of the opposite sex.Less attention has been paid, though, to the fact that humans are not really hairless at all.
In addition, this phenomenon has been attributed to escapes from fish farms (Jensen et al. 2010).
Unfortunately, the tests are inconclusive (one test revealed that the creature is human, the other that it is mostly possum, which has been attributed to contamination from something Bigfoot ate).
Moreover, IS results showed that WJM-SWCNT/PA6 nanocomposites had a higher electrical conductivity (6.5 × 10−2 S/m) than AR-SWCNT/PA6 nanocomposites (1.9 × 10−2 S/m), which has been attributed to be from different network distribution state of AR-SWCNTs and WJM-SWCNTs.
