From the look of it, the grenade was on some kind of handle, and fell off of the handle while being thrown. Unless there is some technique for holding the explosive on its handle during the throw, I'd blame this on equipment failure. Abusive comment hidden. (Show it anyway.) 1 reply
The Darwin Awards: sex differences in idiotic behaviour
BMJ 2014; 349 doi: http://dx.doi.org/10.1136/bmj.g7094 (Published 11 December 2014) Cite this as: BMJ 2014;349:g7094
This paper reports a marked sex difference in Darwin Award winners: males are significantly more likely to receive the award than females (P<0.0001). We discuss some of the reasons for this difference.
1 Now Elijah the Tishbite, from Tishbe[a] in Gilead, said to Ahab, “As the Lord, the God of Israel, lives, whom I serve, there will be neither dew nor rain in the next few years except at my word.”
2 Then the word of the Lord came to Elijah: 3 “Leave here, turn eastward and hide in the Kerith Ravine, east of the Jordan. 4 You will drink from the brook, and I have directed the ravens to supply you with food there.”
5 So he did what the Lord had told him. He went to the Kerith Ravine, east of the Jordan, and stayed there. 6 The ravens brought him bread and meat in the morning and bread and meat in the evening, and he drank from the brook.
I was interested in bees in high school, when I found a wild beehive in a nearby hollow tree, and I got to reading about them.
The queen excluder allows a beekeeper to isolate the queen in the lower part of the hive, ensuring that the upper combs have honey and no larvae.
So, in the thousands of years of bee cultivation, the real killer innovation was the observation of the 'bee space'