Tag: wisdom

  • The third eye… Light… Darkness…

    The third eye… Light… Darkness…

    Just like land plants, algae use sunlight as an energy source. Many green algae actively move in the water; they can approach the light or move away from it. For this they use special sensors (photoreceptors) with which they perceive light. The decades-long search for these light sensors led to a first success in 2002: […]

  • Unsocial brain…

    Unsocial brain…

    Columbia scientists have identified a brain region that helps tell an animal when to attack an intruder and when to accept it into its home. This brain area, called CA2, is part of the hippocampus, a larger brain structure known to be critical for our memory of people, places, things and events. CA2 was already […]

  • Reading more… Becoming blind…

    Reading more… Becoming blind…

    From concerns over blue light to digital strain and dryness, headlines today often worry how smartphones and computer screens might be affecting the health of our eyes. But while the technology may be new, this concern certainly isn’t. Since Victorian times people have been concerned about how new innovations might damage eyesight. In the 1800s, […]

  • I learn. You learn. We learn. (nothing)

    I learn. You learn. We learn. (nothing)

    “I learn,” “you learn,” “she learns,” “they learn,” yet, according to a surprising new linguistic study, in countries where the dominant language allows personal pronouns such as ‘I’ to be omitted, learning suffers. (1) A more or less logical conclusion. Learning is about you increasing your knowledge. While being, on the other hand, is about […]

  • Spreading bad ideas.

    How ideas move through academia may depend on where those ideas come from – whether from big-name universities or less prestigious institutions – as much as their quality, a recent study from the University of Colorado Boulder suggests. The new research borrows a page from epidemiology, exploring how ideas might flow from university to university, […]