Meerkats are members of the mongoose family that inhabit the Kalahari Desert in Botswana and South Africa. They are highly social creatures and live in groups called "mobs," "gangs," or "clans,â€ which have a dominant breeding pair and up to 23 helpers to assist with rearing the young. Mob members regularly groom each other, and some even babysit or stand guard while others forage for food. Meerkats are the first non-human mammal species to be observed doing what?
Back in the day
The 1992 Earth Summit held in Rio de Janeiro, Brazil, produced a treaty aimed at reducing greenhouse gas emissions in order to combat global warming, but it failed to establish mandatory limits or enforcement provisions. The Kyoto Protocol is an amendment to the agreement that establishes such limits. Countries that ratify the treaty promise to reduce their emission of carbon dioxide and five other greenhouse gases or engage in emissions trading. Which countries have not ratified the agreement?
Born on a day like today
Despite rumors that he masterminded several terrorist bombings in the 1970s and 80s, Kim Jong-Il succeeded his father as ruler of North Korea in 1994. Although Kim took steps to improve international relations early in his rule, the country's continued pursuit of nuclear weapons technology soured its dealings with the West. Kim has a reputation for personal extravagance. What are some examples that have been cited as evidence of his excesses?