Army ant predation by chimpanzees has been studied as an intriguing example of tool use and a possible case of cultural variation. However, the importance of army ant prey in chimpanzee diet and feeding ecology is still only poorly understood.We studied the availability and consumption of army ants in a population of the chimpanzee subspecies Pan troglodytes vellerosus in Nigeria. Army ants wer...

—We quantified resident and migrant bird attendance at army ant swarm raids (n 5 48) in a neotropical montane forest. All observations were during seasons when Nearctic migrant birds are present. Bird species differed in army ant raid-attending behavior. Resident bird species attended 2 to 54% of raids, while migrants attended at lower maximum frequencies (2 to 21% of raids attended per species...

wo US Army officers; a Hollywood writer and producer; a famous film actor and director; and our host, a local jewelry dealer, are sitting around the table with me at a curiously empty restaurant in Juarez, Mexico. I order a mango fish plate and try to keep up with the conversation, which has drifted toward the Los Angeles real estate market. Notably, I'm the only one at the table with an ambigu...

The Boer War acted as a catalyst for military reform, including reform of the Army Medical Services (AMS). The subsequent medical debate was centred on the value of sanitation as a provision for war. This article looks at the forces, political, military and economic, that propelled the provision of sanitation to a prominent position in the reforms of the army, and the effect this had on the sta...

In 1940 hejoined the Royal Army Medical Corps, served with the 8th Army in the desert and was taken prisoner on the fall of Tobruk; after two years' captivity he was repatriated in 1943 under the Geneva Convention regarding medical personnel. He returned to military service as LieutenantColonel in charge of the medical division of a General Hospital, landed in France in 1944 and took part in th...

The army ant syndrome of behavioral and reproductive traits (obligate collective foraging, nomadism, and highly specialized queens) has allowed these organisms to become the premiere social hunters of the tropics, yet we know little about how or why these strategies evolved. The currently accepted view holds that army ants evolved multiple times on separate continents. I generated data from thr...

Chinese President Xi Jinping, at a meeting with delegates of the People's Liberation Army China (PLA) during last session National Congress (NPC), demanded introduction scientific discoveries and innovative technologies in army. Jinping noted that new are key to modernizing Armed Forces. The leader discussed military how achieve goals set field national defense army development implementation 1...