The conclusion was clear: among primates, monogamy was always preceded by one thing and one thing only: infanticide by males. Here, we report the video-captured infanticide on a grown nestling at 17 days after hatching by a mated male in a sparse population of Japanese Bam Swallow (Hirundo rustica gutturalis).
We frequently create a class to do nothing but hold data. In such a class some standard functionality is often mechanically derivable from the data. In Kotlin, this is called a data class and is marked as data: data class User(val name: String, val age: Int)
(February 2017) Global Trade Item Number (GTIN) is an identifier for trade items, developed by GS1. Such identifiers are used to look up product information in a database (often by entering the number through a barcode scanner pointed at an actual product) which may belong to a retailer, manufacturer, collector, researcher, or other entity.