The brain of a bird that is singing appears to be able to block out certain signals and prevent them from influencing brain activity.

A cow is presented to you for colic. At the rectal examination, you palpate tension bands. It’s midnight, the cow is nervous and she wants to lie down constantly. She is 7 month old pregnant. What do you do? Treat her with laxative, a subQ calcium and ketoprofen? Or you open her up on the right side standing to find that she has a volvulus and the bowel are falling out of the abdomen while she ...

This paper presents a methodology for automatically identifying human action. We use a new approach to human activity recognition that incorporates a Bayesian framework. By tracking the movement of the head of the subject over consecutive frames of monocular grayscale image sequences, we recognize actions in the frontal or lateral view. Input sequences captured from a CCD camera are matched aga...

For the last few years India has been facing food crisis and as result, the prices of food grains have been on the very high side affecting the purchasing power of the rural and urban poor. As a result, Government’s policies and programmes in regard to reduction in poverty are being severely affected, leading to addition in the crisis. This year due lesser rain the crisis is becoming more sever...

Most of the existing control schemes for walking bipeds are based on the so-called zero-moment point (ZMP) stability condition. Such schemes have three common characteristics: 1) bending at knees thus to avoid singular positions; 2) closed-loop controllers for trajectory tracking at the joints, 3) using higher power actuators, in particular at ankles, to compensate for the rotational motion (fa...

Collet-Sicard syndrome is a rare condition characterized by the unilateral paralysis of the 9th through 12th cranial nerves. We describe a case of a 46-year-old man who presented with dysphagia after a falling down injury. Computed tomography demonstrated burst fracture of the atlas. Physical examination revealed decreased gag reflex on the left side, decreased laryngeal elevation, tongue devia...

1. Introduction Diffusion, i.e. the irregular movement of molecules, is quantified by measuring the rate of molecular fluxes in the direction of falling concentration. In contrast to intuition, considering methanol diffusion in a novel type of nanoporous material (MOF ZIF-8) this rate has now been found to be enhanced rather than slowed down by an opposing flux of labelled molecules [1,2]. In t...

We derive generic equations for a vector field driving the evolution of flat homogeneous isotropic universe and give a comparison with a scalar filed dynamics in the cosmology. Two exact solutions are shown as examples, which can serve to describe an inflation and a slow falling down of dynamical " cosmological constant " like it is given by the scalar quintessence. An attractive feature of vec...