On the ground floor of UCLA’s Boyer Hall, a huge gray machine shoots invisible X-rays at streams of bacterial crystals, each thinner than the width of a human hair. Read more...

Photo: UCLA scientists are researching a naturally occurring mosquito toxin that may be engineered in the future to kill the mosquito species that transmits dengue fever and the Zika virus. (Hannah Ye/Daily Bruin senior staff)

Therapy dogs dressed in Halloween costumes visited patients at Mattel Children’s Hospital UCLA on Thursday. This event was organized by the UCLA People-Animal Connection, the hospital’s animal-assisted therapy program. Read more...

Photo: Finn, a white labrador, went around Mattel Children’s Hospital UCLA to visit young patients and spread some Halloween cheer, as part of UCLA People-Animal Connection, the hospital’s animal-assisted therapy program. (Eda Gokcebay/Daily Bruin)