• Unlocking the mysteries of memory -- and potentially enhancing it

    Memory acts like an anchor, reminding us of past experiences that have made us who we are today. Attempts to boost it, particularly as we age, have sprouted cottage industries of supplements and brain games. In parallel, researchers have been pursuing pharmaceutical interventions. In some of the latest work on this front, one team reports that they have identified a novel compound that enhances long-term memory in animal studies.
  • New twist on asymmetric catalysis

    Researchers have developed an efficient and simple chemical synthesis of a new kind of twisted helicene molecule containing a sulfur group, thiophene. The unusual screw-like asymmetry of the molecules could be useful for making drugs and other types of chemicals in their pure single-enantiomer forms.

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