The future of parenting may see a big change as scientists and ethicists have a startling prediction about how children will be conceived in the future. Thanks to biomedical advances, parents may be able to choose a child from hundreds of embryos based on their DNA profile. Faith Lapidus reports.
Thousands of years of sediment carried by the Mississippi River created 25,000 square kilometers of land, marsh and wetlands along Louisiana's coast. But engineering projects stopped the flow of sediment and rising seas thanks to climate change have made the Mississippi Delta the fastest-disappearing land on earth. Louisiana State University researchers created the river system in miniature to try to stop the erosion and rebuild the delta. Faith Lapidus narrates this report from Deborah Block.
A new approach for detecting food poisoning is being used to investigate the recent outbreak of E.coli bacteria in romaine lettuce grown in the U.S. state of Arizona. The tainted produce has sickened at least 84 people in 19 states. The new method, used by the Centers for Disease Control and Prevention, relies on genetic sequencing. And as Faiza Elmasry tells us, it has the potential to revolutionize the detection of food poisoning outbreaks. VOA's Faith Lapidus narrates.
The right numbers can add up to a bumper crop. A New York student won a $250,000 science prize recently for his mathematical model on the spread of late blight, the plant pathogen that sparked the Irish potato famine of the 1840s. Benjamin Firester beat 1,800 seniors from nearly 600 high schools to win the top prize. As VOA Correspondent Mariama Diallo reports, his model could be used to prevent crop damage.