Chronic stress from parents could be transmitted to their children before they are born, according to a study with mice published in the journal 'Biological Psychiatry'. Most of the work to date had focused solely on maternal effects on offspring stress.
Despite the popular saying that "he who does not cry does not breastfeed", asking for more does not always have the expected reward. According to a study by the CSIC, the offspring that demand food more insistently grow less. The researchers, who have worked with chickens of the southern shrike, a bird widespread in the Iberian Peninsula, ensure that the offspring cannot manipulate the feeding patterns of their parents.
A study carried out by scientists from the Census of Marine Life and published in the journal 'PLoS Biology' states that 86 percent of all species on earth and 91 percent of marine species still they have not been discovered, described and cataloged. According to the new calculations, there are an estimated 6.5 million species living on land, while 2.2 million inhabit the depths of the ocean.
Engineers from the University of Illinois (USA) have developed a device that combines electronic sensors for medical diagnosis and human-machine communication with a self-adhesive patch, much like the skin, that is placed like a temporary tattoo. The device has already been successfully tested to measure the electrical activity of the heart, brain and muscles, according to an article published in the journal Science.
The cicada or cicada, 'Cicada orni', stuns hot summer days in Mediterranean countries with its incessant sound, and although we call it a song, it is actually more of a percussion concert.
The male hubara bustard ('Chlamydotis undulata') has ornamental feathers that it unfurls flamboyantly as it runs to attract a mate. However, this form of courtship comes at a significant cost. Birds that exhibit this behavior age faster, according to a study published in the journal 'Ecology Letters'.
Vampire bats ('Desmodus rotundus') have a sensor capable of detecting the heat of the blood of their victims, which allows them to quickly find the veins of their prey to give an infallible bite, as revealed by a University study from California, San Francisco (USA) and the Venezuelan Institute for Scientific Research.
Researchers from the Society for the Conservation of Wildlife, the University of Oxford (UK) and the National Museums of Kenya (Africa) have found the first mammal to use venom to defend itself against predators.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.
