Bird droppings defy expectations

Prevailing wisdom ranks uric acid as the primary ingredient in bird excrement which is comprised mostly of urine. (Birds release both solid and liquid waste at the same time. The white substance is the urine). But according to new research, uric acid can't be the answer. That's because there is no uric acid in excreted bird urine.

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Traditional fisherfolk help uncover ancient fish preservation methods

Archaeologists have little insight into the methods used for the long-term processing and preservation of fish in the past. A study of traditional fish preparation employed by fisherfolk in Panama and Egypt, revealed patterns of modifications to the fishes' skeletons which are comparable to those found among fish remains recovered in archaeological sites.

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Model helps choose wind farm locations, predicts output

The wind is always blowing somewhere, but deciding where to locate a wind farm is a bit more complicated than holding up a wet finger. Now a team of researchers has a model that can locate the best place for the wind farm and even help with 24-hour predictions of energy output.

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Some parents pass on more mutations to their children than others

Everyone is a mutant but some are prone to diverge more than others, report scientists. A new study shows the number of mutations a child has compared to her parents varies dramatically with some people being born with twice as many as others, and that characteristic runs in families.

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Discovery of how colorectal cancer drug works will help more patients

Some colorectal cancer patients with a certain gene mutation benefit from a chemotherapy drug called cetuximab, although the mechanism of how this drug worked was unknown. Scientists have combined computational biology with experimental investigations to discover, for the first time, the mechanism for why these patients respond to cetuximab, which will help doctors identify more effective, targeted treatment plans for people diagnosed with colorectal cancer.

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Outcomes of birth options after a previous Cesarean section

A large cohort study of women who have had one or more previous Cesarean sections suggests that attempting a vaginal birth in a subsequent pregnancy is associated with higher health risks to both the mother and the infant than electing for another Cesarean. The research, published in PLOS Medicine on Sept. 24, 2019, addresses a lack of information on the outcomes of birth options after previous cesarean section and can be used to counsel women about their choices.

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