If you only read three things this week... The secret behind the magnetic termite mounds in Australia - the Lab Inside the life of Old Delhi's only female pigeon keeper - BBC How to spend a weekend in Hiroshima - the Lab Hello hello! Maybe it's the New Year, maybe it's all the bad news but I'm wondering about making a change. A few changes, in fact, starting with this newsletter. I've been running it this way for years - but perhaps you want to read something different? Should I write longer...