Where Saltwater and Freshwater Meet There is Potent Energy

February 17, 2017 – Ever heard of the salinity gradient? At Pennsylvania State University, civil engineers are working to develop a form of electrical power generation from where ... Continue Reading →

Sea Ice at the Poles Shrinking Both North and South

February 16, 2017 – Reports of Arctic sea ice coverage this year indicated the second lowest level since we began keeping records (1979). Lower sea ice in the Arctic has been ... Continue Reading →

NASA’s Mars 2020 Mission Zeroes in on “Wet” Landing Sites

February 16, 2017 – The successor to NASA’s Curiosity rover is Mars 2020, a mission that seeks locations on the Red Planet where life may exist or did in the past. Using ... Continue Reading →

Armyworms on the March in Africa – Pose a Major Threat to Food Production

February 15, 2017 – One of the consequences of greater global integration is the spread of invasive species. In Africa, already feeling the impact of a drying trend associated ... Continue Reading →

China Spending Billions to Make Rain

February 14, 2017 – China tried rainmaking during its hosting of the Olympic Games in Beijing in 2008. Cannons fired silver iodide and dry ice shells into the skies around the ... Continue Reading →

Evidence of the Anthropocene Found in the Deepest Ocean Trenches of the Planet

February 14, 2017 – On Valentine’s Day I want to talk about love of planet. In this year’s January-February issue of Discover magazine, a review of the 100 top science ... Continue Reading →

Gizmos & Gadgets: On Mars What Will Substitute for Bees? – Possibly Sticky Drones

February 13, 2017 – Here on Earth we rely on pollinators to ensure that the vegetables, fruits and staple crops we plant reproduce. Among the most prolific pollinators are bees. ... Continue Reading →

Gizmos & Gadgets: Cassie, a Robot that Walks Like a Velociraptor

February 13, 2017 – Agile Robotics has designed Cassie, a robot that walks on two legs but not like humans. In fact Cassie’s gait resembles that of a Velociraptor, the carnivorous ... Continue Reading →

A Visit to a Volcano Speaks of Untapped Geothermal Energy Potential

February 9, 2017 – It is the last day of our two-week stay here in Costa Rica. Yesterday we visited Rincon de la Vieja, the largest volcano in the country, and a source of geothermal ... Continue Reading →

DNA Adds X and Y to A,C,T and G in First Stable Semi-synthetic Organism

February 7, 2017 – Scientists at The Scripps Research Institute (TSRI) announced they had created a  stable semisynthetic organism in research appearing in the January 23, 2017 ... Continue Reading →