The zero-power sewage plant inspired by cows
Fifty sustainable sewage treatment plants have been built that work in similar way to a cow's stomach.
from BBC News - Home https://ift.tt/2VWT6Te
from BBC News - Home https://ift.tt/2VWT6Te
Diplomacy, Defence and... Daddy?
Trump claims “big win” as Nato defence spending set to increase to 5% of GDP. from BBC News https://ift.tt/2j0L5GM