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John Mattick, University of Queensland, is one of the leading proponents of the idea that much -- perhaps most -- of the human genome is functional. He has been making claims along these lines for at least 15 years, but seems to always present it as a new idea. Readers of this blog may also remember the Dog's Ass>
Today I gave my lecture on mammal diversity and evolution in the 4th year vertebrate course. We have been talking a fair bit about paraphyletic groups, common vs. scientific names, and so on. Within this context, we explored the issue of whether we're "descended from monkeys", by taking a look at a phylogeny of relevant>
Photosynthesis by plants, algae, and some bacteria is crucial to life on Earth. It results in food from sunlight and in its process organisms release oxygen and absorb carbon dioxide. Scientists at the Carnegie Institution say a new discovery puts a dramatic twist on what we know - namely that certain marine>
According to Peter Olson of the Natural History Museum in London, "All free-living organisms host one or more parasites." This can be taken two ways, both of them generally true: a) that each individual multicellular organism hosts at least one individual parasite within its body, and b) that each free>
In many cases, you can determine a child's age by what affliction their helicopter parents have saddled them with and you don't even have to meet the kid.  If they are ADHD, for example, they are likely close to graduating high school.  If you look in a grade school today, 25 percent of kids will be on 'the>
Our DNA determines a lot about who we are and how we play with others, but recent studies of social animals (birds and bees, among others) show that the interaction between genes and behavior is more of a two-way street than many of us realize.  It's not a new idea but the new studies give it more credibility, says>