Weaker transcription factors are better when they work together

Bioengineers can tailor the genomes of cells to create "cellular therapies" that fight disease, but they have found it difficult to design specialized activating proteins called transcription factors that can throw the switch ...

Little evidence that host countries win more Olympic medals

Countries hosting the Olympic Games do not tend win more medals when socioeconomic factors are controlled for, reports a study published in Scientific Reports. The findings dispute the existence of the so-called "host effect"—where ...

Newly-introduced butterfly could become widespread in Canada

This summer, if you see a butterfly with wings that are blue on top with orange spots underneath, you may have crossed paths with a male European Common Blue (or Polyommatus icarus), a newly introduced species in Canada.

North American deserts are a biodiversity hotspot for butterflies

By comparing the genetic diversity of butterflies in North America, researchers reporting in the journal iScience on March 23 found that the array of different evolutionary distinct groups of butterflies is particularly high ...

Disease burden links ecology to economic growth

A new study, published December 27 in the open access journal PLOS Biology, finds that vector-borne and parasitic diseases have substantial effects on economic development across the globe, and are major drivers of differences ...

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