HumansBefore the Stone Age: Were the first tools made from plants not rocks? Our ancestors probably used a wide range of plant-based tools that have since been lost to history. Now we're finally getting a glimpse of this Botanic Age Features
EnvironmentShipping companies are testing biofuel made from cashew nut shells Cashew nut shells are a source of low-emissions biofuel, which is being tested in several ships, but it is unlikely there will be enough to make much of a dent in the industry’s emissions News