Walking upright might have helped individuals deal with the scorching heat of the open grassland , allowing air to circulate around the body while minimising direct exposure to the sun ( journal of human evolution , vol 13 , p 91 ) .
Under a scorching sun , voters appeared torn between deep anger over the terms of the bailout and the traditional ruling parties who adopted it , and fear that a syriza victory could bring a return to the drachma and even more economic calamity .
