A team of scientists from Tel Aviv University, in Israel, who studied oriental hornets discovered that the insects glue a tiny magnetic crystal ​ — measuring four thousandths of an inch [0.1 mm] across and containing titanium, iron, and oxygen — ​ to the roof of every hexagonal chamber in a comb.
Grupp Iisraeli Tel Avivi ülikooli teadlasi, kes uurisid ühisherilasi, avastasid, et need putukad kleebivad kärje iga kuusnurkse kambri lakke tillukese 0,1 - millimeetrise läbimõõduga magnetkristalli, mis sisaldab titaani, rauda ja hapnikku.