# Home
**Source**: https://www.bbe.caltech.edu/
**Parent**: https://catalog.caltech.edu/current/general-information/education-and-research/
March 20, 2026
[Courting the Competition: Some Male Fruit Flies Serenade Each Other Rather Than Fight](https://www.bbe.caltech.edu/news/courting-the-competition-some-male-fruit-flies-serenade-each-other-rather-than-fight)
Caltech researchers have pinpointed evolutionary changes in a species of fruit flies that promote male-male courtship behaviors, not aggression, when the insects are vying for resources.
February 24, 2026
[Just the Right Amount: Microbial Nutrients Drive Success *and* Failure of Antibiotics](https://www.bbe.caltech.edu/news/just-the-right-amount-microbial-nutrients-drive-success-iandi-failure-of-antibiotics)
New findings provide framework for developing novel medications and addressing antibiotic resistance
February 9, 2026
[Beetles Go Stealth Mode to Infiltrate Ant Societies](https://www.bbe.caltech.edu/news/beetles-go-stealth-mode-to-infiltrate-ant-societies)
Discovery of a beetle with a biological stealth mechanism unlocks how symbiotic relationships evolve
January 26, 2026
[Invention of DNA "Page Numbers" Opens Up Vast Possibilities for the Bioeconomy](https://www.bbe.caltech.edu/news/invention-dna-page-numbers-synthesis-kaihang-wang)
A major technological advance in DNA writing enables researchers to construct and create in the language of biology
December 17, 2025
[2025 Year in Review](https://www.bbe.caltech.edu/news/2025-year-in-review)
As 2025 draws to a close, we look back at some of the Caltech-led discoveries and innovations from throughout the past year.
## Research Areas
[Biological Engineering](https://www.bbe.caltech.edu/research/biological-engineering)
[Cellular, Developmental and Systems Biology](https://www.bbe.caltech.edu/research/cellular-and-developmental-biology)
[Evolutionary and Organismal Biology](https://www.bbe.caltech.edu/research/evolutionary-and-organismal-biology)
[Microbiology](https://www.bbe.caltech.edu/research/microbiology)
[Molecular Biology, Biochemistry, and Biophysics](https://www.bbe.caltech.edu/research/molecular-biology-biochemistry-and-biophysics)
[Neuroscience](https://www.bbe.caltech.edu/research/neuroscience)
## Events
[All Events](https://www.bbe.caltech.edu/calendar)
Ongoing
### [Spring Recess](https://www.bbe.caltech.edu/calendar/spring-recess-87940)
March 23, 2026
9:00 am
### [Due Date for Instructors' Final Grade Reports](https://www.bbe.caltech.edu/calendar/due-date-for-instructors-final-grade-reports-87944)
March 24, 2026
12:00 pm
### [NB/CNS Seminar - Xin Sun](https://www.bbe.caltech.edu/calendar/nb-cns-seminar-xin-sun-1)
[Chen 100](https://www.caltech.edu/map/campus/tianqiao-and-chrissy-chen-neuroscience-research-building)
[Xin Sun](https://biology.ucsd.edu/research/faculty/xis101)*,*
Professor*,*
Cell and Developmental Biology*,*
University of California - San Diego*,*
March 25, 2026
2:00 pm
### [Medical and Electrical Engineering Defense, Jiahong Li](https://www.bbe.caltech.edu/calendar/medical-and-electrical-engineering-defense-jiahong-li)
[Moore B270](https://www.caltech.edu/map/campus/the-gordon-and-betty-moore-laboratory-of-engineering)
Jiahong Li*,*
Med-EE PhD Candidate*,*
Medical Engineering Department*,*
California Institute of Technology*,*
March 26, 2026
5:00 pm
### [Chen Institute: Sushi Social](https://www.bbe.caltech.edu/calendar/chen-institute-sushi-social-1)
[Chen Sunken Zen Garden](https://www.caltech.edu/map/campus/tianqiao-and-chrissy-chen-neuroscience-research-building)
March 27, 2026
11:00 am
### [Horowitz Lecture - Jason Chin](https://www.bbe.caltech.edu/calendar/horowitz-lecture-jason-chin-1)
[Chen 100](https://www.caltech.edu/map/campus/tianqiao-and-chrissy-chen-neuroscience-research-building)
[Jason Chin](https://www.eit.org/people/jason-chin)*,*
Executive Director*,*
Generative Biology Institute*,*
Ellison Medical Institute*,*
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## Connect With Us
Stay up to date on the latest from BBE.
## Graduate Degree Options
[Biochemistry and Molecular Biophysics](https://www.bbe.caltech.edu/academics/biochemistry-and-molecular-biophysics-bmb)
[Bioengineering](https://www.bbe.caltech.edu/academics/bioengineering)
[Biology](https://www.bbe.caltech.edu/academics/biology)
[Computation and Neural Systems](https://www.bbe.caltech.edu/academics/cns)
[Geobiology (GPS)](https://www.bbe.caltech.edu/academics/affiliated-degree-programs/geobiology)
[Medical Engineering (EAS)](https://www.bbe.caltech.edu/academics/affiliated-degree-programs/medical-engineering-eas)
[Neurobiology](https://www.bbe.caltech.edu/academics/neurobiology)
[Social and Decision Neuroscience (HSS)](https://www.bbe.caltech.edu/academics/affiliated-degree-programs/social-and-decision-neuroscience)
## Affiliated Programs
[MD/PhD Program](https://www.bbe.caltech.edu/academics/md-phd-programs-)
[Biotechnology Leadership Program](http://www.trainingbiotechleaders.caltech.edu/)
[Predoctoral Training in Quantitative Neuroscience](https://www.bbe.caltech.edu/academics/neurobiology/predoctoral-training-in-quantitative-neuroscience)