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.
WOW COW A special feature of bovine antibodies seems key to why cows in a new study were able to generate broadly neutralizing antibodies against HIV.
RED ALERT This micrograph shows how the protein alpha-synuclein (red) builds up in nerve cells (blue) in brains affected by Parkinson’s disease. The immune system can react to parts of the protein, a new study finds.
Roger J. Bick & Mya C. Schiess/UT-Houston Medical School/Science Source
BACTERIAL COMBATANTS Bdellovibrio bacteria (yellow) attack larger bacteria (blue), using the prey’s remains to replicate. Bdellovibrio microbes are a kind of living antibiotic.