Previous Week's Cover Following Week's Cover Cover Credit: PHOTOMONTAGE. PHOTOGRAPHS BY NIC CLEAVE / ALAMY (FLOWER); THINKSTOCK / ALAMY (STEM); CORBIS (EARTH); IMAGESTATE / ALAMY (SKY)
Cover Credit: PHOTOMONTAGE. PHOTOGRAPHS BY NIC CLEAVE / ALAMY (FLOWER); THINKSTOCK / ALAMY (STEM); CORBIS (EARTH); IMAGESTATE / ALAMY (SKY)