We have surveyed the neutron separation energies \(Sn\) and the interaction cross sections \(σI\) for the neutron-rich p-sd and the sd shell region. Very recently, both measurements reached up to the neutron drip line, or close to the drip line, for nuclei of Z<=8. A neutron-number dependence of Sn shows clear breaks at N = 16 near the neutron drip line \(TZ>=3\), which shows the creation of a new magic number. A neutron-number dependence of σI shows a large increase of σI for N = 15, which supports the new magic number. The origin of the new magic number is also discussed.