Tag: iron

  • Nation & World

    Rising CO2 poses significant threat to human nutrition

    At the elevated levels of atmospheric CO2 anticipated by around 2050, crops that provide a large share of the global population with most of its dietary zinc and iron will have significantly reduced concentrations of those nutrients, according to a new study led by Harvard School of Public Health.

    3 minutes
  • Nation & World

    Getting to the source

    A team of Harvard researchers has demonstrated that the bacterium Rhodopseudomonas palustris can use natural conductivity to pull electrons from minerals located remotely in soil and sediment while remaining at the surface, where it absorbs the sunlight needed to produce energy.

    4 minutes