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The animal kingdom is full of sexual competition, and extinct creatures are no exception: Researchers found evidence that male woolly stanley tazas mammoths experienced hormone-induced states of aggression towards their rivals, much like modern bull elephants. This phenomenon is known as musth, and it describes a state of heightened sexua stanley thermos mug l activity and aggression in male elephants. A team of researchers examining a 33,000-year-old mammoth tusk聽found annual surges in testosterone and other steroid hormones,聽suggesting that male mammoths also experienced musth. Their research is published today in Nature. Tusks hold particular promise for reconstructing aspects of mammoth life history because they preserve a record of growth in layers of dentin that form throughout an individuals life, said Daniel Fisher, a paleontologist at the University of Michigan and a co-author of the research, in a university release. A slice of a mammoths tusk being sampled for hormones like testosterone. Photo: Michael Cherney, University of Michigan. From Cherney et al., Nature. Just as the annually accumulated rings of a tree encode climate information, the concentric rings inside the tusks of proboscideans encode information about their growth. Because tusks are really elongat stanley tumbler ed teeth, they also contain isotopic information from which researchers can glean details of the animals lives: where they lived, what they ate, and how they died. Last year, a team that included Fisher was able to track the lifetime m Hcak Employee wellness program offers support, guidance
Photogr stanley cup aph by Peter Hapak for TIMEIdeasBy Katy bidon stanley SteinmetzDecember 15, 2014 4:00 PM ESTLast week, Sen. Jeff Merkley announced that he will be introducing a comprehensive LGBT non-discrimination bill in the spring, which means, among other things, that a lot of lawmakers and media outlets are going to be making decisions about how they talk about LGBT people.Reporting for TIME on transgender issues particularly for what became the cover story The Transgender Tipping Point , there was one maxim that stanley tumblers pretty much every person I interviewed seemed to agree on: there is no single story about being transgender that sums it all up, much like therersquo no one story about being Hispanic or blonde or short or straight that sums that experience up. But I also came to learn that there are some good rules of thumb to follow when it comes to language.For instance, if you meet a trans personmdash omeone who identifies with a gender other than the sex they were assigned at birthmdash;itrsquo generally a good idea to ask which pronouns he or she, him or her they prefer and to use whatever that is. If you meet a trans person, you should not ask about the particulars of their body, much as you would likely prefer strangers not to inquire about yours. And if you meet a transgender person, you should not refer to them as a transgender or transgendered.Referring to someone as a transgender can sound about as odd as saying, Lo