Life 22 September 2020 By Jake Buehler A notch in a male fork-tailed flycatcher’s wing may broadcast their availability to matesJuan Jose Arango / VWPics / Alam As male fork-tailed flycatchers zip around, their wings can produce a high-pitched trilling, and new research shows these whistles have dialects and may be used for communication. Fork-tailed…
By Michael Le Page Wild hummingbirds were able to distinguish between bird feeders by looking at the colours emitted by a special lightNoah Whiteman Birds, reptiles, amphibians and fish may see kinds of colours we cannot even imagine, say researchers whose experiments with wild hummingbirds show they perceive five so-called non-spectral colours. Almost all of…
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7 min read By now, your news feed, your dinner table conversations, and your doctor’s office have been flooded with chatter about the meds approved for weight loss known as semaglutide (e.g. Ozempic) and tirzepatide (e.g.Mounjaro, Zepbound). Now, there’s a new peptide in town: retatrutide. Yes, all of these chemicals are technically peptides, and each
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