Category archives: Science

MI weekly selection #65

MI weekly selection #65

Humanities & Social SciencesScienceTechnologyWeekly Selection

By César Tomé

Lone gene determines wing mimicry in butterflies One gene can determine the wing patterns of female swallowtail butterflies, making them resemble a different, and toxic, butterfly species, according to a study published in Nature. The finding adds to the debate over mimicry and how it helps put off would-be predators. A team of evolutionary biologists […]

Superparamagnetic nanoparticles and the separation problem

Superparamagnetic nanoparticles and the separation problem

MaterialsPhysics

By Silvia Román

It has been a long time since we have learned that “going nano” leads to new properties arising from matter. One of those size-dependent properties that promises huge benefits due to its potential applications is magnetism. Magnetic materials are classified according to their susceptibility to magnetic fields into diamagnetic, paramagnetic and ferromagnetic materials, the first […]

MI weekly selection #64

MI weekly selection #64

Humanities & Social SciencesScienceTechnologyWeekly Selection

By César Tomé

The beringia standstill hypothesis A review of genetic evidence suggests that the Native American founding population lived in Beringia for thousands of years before migrating south into North America. And sediments taken from the Bering Sea show that at the time, the region also had woody plants for building fires, and grassland steppes where woolly […]

MI weekly selection #63

MI weekly selection #63

Humanities & Social SciencesScienceTechnologyWeekly Selection

By César Tomé

Beluga whales infected with cat parasites Parasites known to infect cats have been discovered in Arctic beluga whales. Toxoplasma gondii can cause people to go blind. Scientists have issued a health advisory for those in the Western Arctic region who eat beluga meat. BBC News Higgs boson bubbles sent shock waves throughout nascent universe Bubbles […]