If you’re wondering exactly how many skin cells fall off, get ready for some staggering numbers. Scientists estimate that the human body is made up of around 10 trillion cells in total. Your skin makes up about 16 percent of your body weight, which means you have roughly 1.6 trillion skin cells [source: BBC].
Who is behind the Bangladesh killings?Lurching from secularism to sectarian terror?Ansar al Islam said on Twitter that it had killed Mr Mannan and Mr Mojumdar because they were working “to promote homosexuality. With the held of their masters, the US crusaders and their Indian allies”.The claim could not be independently verified.Mr Mannan edited Roopbaan, a magazine and activist group for the Lesbian, Gay, Bisexual and Transgender (LGBT) community that had received some support from foreign embassies.The US ambassador to Bangladesh said he was “devastated by the brutal murder of Xulhaz Mannan and another young Bangladeshi”. Mr Mannan had also worked at the US embassy.On Monday night, Prime Minister Sheikh Hasina said the opposition Bangladesh Nationalist Party (BNP) and its ally, the Jamaat e Islami group, were “involved in these killings and committing these murders” as a way to destabilise Bangladesh.The opposition denied her claims, and local media have criticised the government, saying it is responsible for protecting minorities.Blogger deathsEarlier this month, a Bangladeshi law student who had expressed secular views online died when he was hacked with machetes and then shot in Dhaka.Last year, four prominent secular bloggers were also killed with machetes.The four bloggers had all appeared on a list of 84 “atheist bloggers” drawn up by Islamist groups in 2013 and widely circulated.Two foreigners an Italian aid worker and a Japanese farmer have also been killed, with both attacks claimed by so called Islamic State, although the government denies the presence of IS on its soil.Who is being targeted?The grim list of those who have fallen victim to attacks by Islamist militants in Bangladesh is growing ever diverse.Secular bloggers, academics, gay rights activists, and members of religious minorities including Shia, Sufi and Ahmadi Muslims, Christians and Hindus have all been killed, many of them hacked to death.That a university professor whose family said believed in God could also be murdered suggests the list of those at risk has widened further.Who exactly is behind the attacks remains murky.
For instance, Mud Daubers Pollen Wasps made mud cells in a sheltered place, Potter Wasps build nests in the shape of a vase, from mud, and attach them to twigs of trees or walls. The majority burrow into soil or plant stems with some building no nest and taking refuge in a cavity they find. They lay a single egg in each cell and seal it.