Tallest tree in Asia and brain spirals: Science highlights

This week's science news includes the tragic confirmation that the OceanGate Titan submersible imploded, killing all five men inside. Other highlights include the discovery of an exotic new state of matter, the tallest tree in Asia, and mysterious spiral signals in the brain. In health news, genetic risk factors for Dupuytren's disease are derived from Neanderthals. Meanwhile, scientists warn that the next solar maximum may be more powerful than expected and we are poorly prepared for it.