16 APR 2013 by ideonexus

 Neem: Cognitive Drug

Neem is a mnemonic drug that works by “tagging” experiences and mental input with a set of unique sensations that contribute to the formation of state-based memories. Neem gummy chews come in a variety of fruit avors shaped like extinct old Earth animals. Neem gives characters a 20 bonus on COG Tests to recall information they learned while on Neem (see Memorizing and Remembering, p. 176). The drawback to Neem is that memories they accumulate while under the drug’s in uence have no em...
Folksonomies: tagging cognition
Folksonomies: tagging cognition
  1  notes

A drug that "tags" experiences and ideas with a set of unique sensations to link to a memory. One could then take another dose of Neem to recall the memory.

16 SEP 2011 by ideonexus

 Convergent Evolution in Cacti and Succulents

Let’s begin with one observation that strikes anyone who travels widely. If you go to two distant areas that have similar climate and terrain, you find different types of life. Take deserts. Many desert plants are succulents: they show an adaptive combination of traits that include large fleshy stems to store water, spines to deter predators, and small or missing leaves to reduce water loss. But different deserts have different types of succulents. In North and South America, the succulents...
  1  notes

The two groups of species share many many traits, but they exist in completely different parts of the world, evolving separately, but converging to be almost interchangeable.