EarthSound waves from fin whale songs could help us study Earth’s crust Seismologists studying earthquake activity off the US coast recorded fin whale songs, which they found can be used to tell the thickness and makeup of Earth’s crust 51¶¯Âþ
LifeMale mantises fight females to mate - but they get eaten if they lose Female praying mantises often attack their mates during a sexual encounter, but some males attack too - and if they fail to win the fight they end up as lunch 51¶¯Âþ