Antennae Help Flies "Cruise" In Gusty Winds
Due to its well-studied genome and small size, the humble fruit fly has been used as a model to study hundreds of human health issues ranging from Alzheimer's to obesity. However, Michael Dickinson, Esther M. and Abe M. Zarem Professor of Bioengineering at Caltech, is more interested in the flies themselves—and how such tiny insects are capable of something we humans can only dream of: autonomous
Students in Bioengineering Course Take Inspiration from Nature
A new class in bioengineering debuted this term at Caltech: "Exploring Biological Principles Through Bio-Inspired Design" (BE 107). The class was the brainchild of Michael Dickinson, the Esther M. and Abe M. Zarem Professor of Bioengineering, and Richard Murray, the Thomas E. and Doris Everhart Professor of Control and Dynamical Systems and Bioengineering, who are hoping to make this a regular par
Mosquitoes Use Smell to See Their Hosts
On summer evenings, we try our best to avoid mosquito bites by dousing our skin with bug repellents and lighting citronella candles. These efforts may keep the mosquitoes at bay for a while, but no solution is perfect because the pests have evolved to use a triple threat of visual, olfactory, and thermal cues to home in on their human targets, a new Caltech study suggests. The study, published by
How an RNA Gene Silences a Whole Chromosome
Researchers at Caltech have discovered how an abundant class of RNA genes, called long non-coding RNAs (lncRNAs, pronounced link RNAs) can regulate key genes. By studying an important lncRNA, called Xist, the scientists identified how this RNA gathers a group of proteins and ultimately prevents women from having an extra functional X-chromosome—a condition in female embryos that leads to death in
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