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Asthma severity linked to microbiome of upper airway
A new study led by Washington University School of Medicine in St. Louis suggests there is a link between bacteria that live in the upper airway and the severity of asthma symptoms among children with...
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And then there was light
Light provides the energy that plants and other photosynthetic organisms need to grow, which ultimately yields the metabolites that feed all other organisms on the planet. Plants also rely on light...
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New year’s resolution: Wait until spring
Tim Bono offers sound advice about where people go wrong when setting New Year’s resolutions. Wait a few months, said Bono, assistant dean for assessment in Student Affairs and lecturer in...
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Grain traits traced to ‘dark matter’ of rice genome
Domesticated rice has fatter seed grains with higher starch content than its wild rice relatives — the result of many generations of preferential seed sorting and sowing. But even though rice was the...
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Scientists find way to supercharge protein production
Medicines such as insulin for diabetes and clotting factors for hemophilia are hard to synthesize in the lab. Such drugs are based on therapeutic proteins, so scientists have engineered bacteria into...
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‘Lost crops’ could have fed as many as maize
Make some room in the garden, you storied three sisters: the winter squash, climbing beans and the vegetable we know as corn. Grown together, newly examined “lost crops” could have produced enough...
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Chimpanzees more likely to share tools, teach skills when task is complex
Teach a chimpanzee to fish for insects to eat, and you feed her for a lifetime. Teach her a better way to use tools in gathering prey, and you may change the course of evolution. For most wild...
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2019 in review: a year of change, a year of discovery
In celebration of another year of change and discovery at Washington University in St. Louis, the Source shares some of its most-read stories of the year. Celebrating our changing campus: New era in...
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Why isn’t there a vaccine for staph?
Staph bacteria, the leading cause of potentially dangerous skin infections, are most feared for the drug-resistant strains that have become a serious threat to public health. Attempts to develop a...
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Proton therapy as effective as standard radiation with fewer side effects
Cancer patients who receive high-tech proton therapy experience similar cure rates and fewer serious side effects compared with those who undergo traditional X-ray radiation therapy, according to a...
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Plants model more efficient thermal cooling method
When drops of water touch the surface of a lotus flower leaf, they form beads and roll off, collecting dust particles along the way. In contrast, water droplets on a rose petal also form beads, but...
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Switching tracks
Think of a train coming down the tracks to a switch point where it could go either to the right or the left — and it always goes to the right. Photosynthetic organisms have a similar switch point....
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Border walls obstruct legal trade by one-third, ‘divert’ illegal trade
Border walls remain a politically charged topic in the United States and elsewhere around the world. Yet they are far more than an immigration or security issue, finds a new study co-authored by a...
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Toward a smarter way of recharging the aquifer
To replenish groundwater, many municipalities inject reclaimed water into depleted aquifers. The injected water has been purified by secondary wastewater treatment, and, in some cases, the water has...
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New book lays out social work’s agenda for 21st century
Including the insights of more than 35 leading social work scholars from the Brown School at Washington University in St. Louis and beyond, a new book grapples with 13 key areas in the profession in an...
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Celebrating the newest National Academy of Inventors fellows
Washington University in St. Louis this year celebrates two new fellows of the National Academy of Inventors, the highest professional distinction accorded solely to academic inventors. The distinction...
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Research finds slave trade’s effect on firm ownership persists today
The effects of the African slave trade persist today among businesses in parts of the continent, with companies more often tightly controlled by individuals or families — often because they have...
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SuperTIGER on its second prowl — 130,000 feet above Antarctica
The Super Trans-Iron Galactic Element Recorder (SuperTIGER) instrument is used to study the origin of cosmic rays. (Photo: Wolfgang Zober) A balloon-borne scientific instrument designed to study the...
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Improvements to off-campus safety, security going into effect
A number of updates to safety and security programs at Washington University in St. Louis will go into effect during the spring semester, which begins today (Jan. 13). The improvements are based on...
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Black workers’ status in a company informs perceptions of workplace racial...
Based on 60 in-depth interviews with black medical doctors, nurses and technicians in the health care industry, a new study from Washington University in St. Louis finds that wherever black workers...
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