Category archives: Weekly Selection

Jamestown settlers turned to cannibalism to survive, bones show The scarred skull of a 14-year-old girl reveals that English settlers in Jamestown, Va., may have engaged in cannibalism to survive. A brutal winter in 1609 brought a food shortage, killing off 80% of the population. Marks on the girl’s skull and tibia are the first […]

Malaria reduced by preserving biodiversity of forests Researchers at Brazil’s University of Sao Paulo found that malaria could be kept from spreading while still preserving the biodiversity of the Amazon rainforest. The traditional view is that clearing such forests curbed the spread of the disease. Using a mathematical model, researchers found that the parasite causing […]

Could cellulose feed the world? Researchers have discovered a way to turn cellulose into starch, a technique that could be used to create more food to feed the hungry. Science Now Chun You eta al (2013) Enzymatic transformation of nonfood biomass to starch PNAS DOI: 10.1073/pnas.1302420110 Fire ants prefer shortest route in terms of time […]

An abrupt and widespread climate shift in the Sahara 5,000 years ago The Sahara Desert’s shift from lush grasslands to barren sands happened quickly and simultaneously across the entire region. Scientists say the brief African Humid Period began and ended suddenly, about 5,000 years ago. MIT news D. McGee, P.B. deMenocal, G. Winckler, J.-B. Stuut […]

Scientists use 3D printer to create networks of artificial cells Researchers have developed networks of water droplets that can act like biological tissue cells. The researchers created the networks using a three-dimensional printer. The networks can support up to 35,000 droplets and have the potential to be a scaffold for growing synthetic tissues or a […]

Our metastable universe Under the simplest assumptions, the measured mass of the Higgs could mean the universe is eventually unstable and destined to fall apart. Scientific American Could flow batteries back up electric grids? To power flow batteries, two aqueous electrolytes held in different tanks are pumped through a membrane into a separate chamber, causing […]

Bat-eating spiders are more common than you think Bat-eating spiders are more common in the world than once believed. These spiders are found on all continents except Antarctica. Almost 90% of the web-building spider and tarantula species live in warmer climates, and can capture bats both with and without a web. LiveScience Nyffeler M, Knörnschild […]

3-body problem gets 13 more possible solutions Scientists have come up with 13 new solutions to the “three-body problem,” a situation in which three objects orbit each other in a pattern. The discoveries, which will help astrophysicists further understand planetary systems, brings the total number of solutions to 16. Science now Milovan Šuvakov, V. Dmitrašinović […]

Bunnies implicated in the demise of Neanderthals in Iberia Excavations are shedding light on what might have been a significant factor in the demise of the Neanderthal: the inability to hunt small game. The remains of large animals are prevalent in Neanderthal cave excavations, but the bones of smaller animals such as rabbits were prevalent […]

Zircon grains came from ancient continent Grains of zircon found on the island of Mauritius may have come from the crust of an ancient continent beneath the Indian Ocean. The grains formed almost 2 billion years ago, but the island is only 65 million years old. New Scientist Trond H. Torsvik, Hans Amundsen, Ebbe H […]