For science openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:flyos:science/science_openSUSE_Tumbleweed/home:flyos:science.repo
zypper refresh
zypper install bwa
For science openSUSE Leap 15.2 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:flyos:science/science_openSUSE_Leap_15.2/home:flyos:science.repo
zypper refresh
zypper install bwa
For science openSUSE Leap 15.1 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:flyos:science/science_openSUSE_Leap_15.1/home:flyos:science.repo
zypper refresh
zypper install bwa