In the Aug. 19 SN: Bulletins from the tick wars, roots of Rwandan genocide, spin-resistant spiders, making mums blue, tardigrade saga continues, HIV antibodies from cows, Maxwell’s demon aces memory test and more.
HIGH WATER In August 2005, severe floods hit alpine communities like this village in Tirol, Austria.
ASI/Land Tirol/BH Landeck
TURNING UP THE HEAT People living in regions of India, including Rajasthan where this image was taken, will experience extreme and potentially deadly heat waves by the end of the century, a new study shows.
An apocalyptic message about climate change might motivate some people to act but make others feel hopeless, science communication experts say.