What do the Salem witch trials, LSD, and dinosaurs have in common? They all have some connection to ergot, a fungus known to cause hallucinations, poisoning, and other terrible symptoms both in humans and animals. The ergot fungus grows on grains and grasses in wet, cool climates, and it has a long and sordid history. Ergot is used to derive the drug LSD, and it is also considered a possible cause for the mass hysteria of witch trials. You know how it goes: People eat bread made with ergot-contaminated grains, they start having visions, they accuse their neighbors of being witches... it's just a classic tale as old as civilization. Or maybe even older.
An article over at the Cornell Chronicle looks into the issue of "cultural inertia" in our understanding of dinosaurs. When asked to draw a T. rex, perhaps the most well-known (in popular culture) of all dinosaurs, both young children and college students will draw an upright, small-armed, tail-dragging creature that looks like a slimmed-down Barney or a less-plasticky Rex from Toy Story.
A cache of feathers preserved in amber, dating from around 70 to 85 million years ago, was just found in Canada, showing that border between winged dinosaurs and the earliest avians. The study indicates that these feathers, relatively modern, were already appearing even before the non-avian dinosaurs were extinct.