Diseases, Conditions, Syndromes

Thailand virus cases rocket to 600 as crisis fears grow

Thailand's confirmed coronavirus cases rose by a third to nearly 600, the kingdom announced Sunday, as fears of a full-blown crisis take hold in a country largely spared until now.

Gerontology & Geriatrics

Elderly people should aim to keep up step count this winter

As the temperature continues to drop this winter, it is harder to find the motivation to get off the couch and out for a walk. New research from the University of Liverpool, presented at The Physiological Society's early ...

Neuroscience

Microgravity changes brain connectivity

An international team of Russian and Belgian researchers, including scientists from HSE University, has found out that space travel has a significant impact on the brain: they discovered that cosmonauts demonstrate changes ...

Other

Frozen sperm retains its viability in outer space conditions

Zillionaires like Amazon founder Jeff Bezos who see the 'colonisation' of space as an answer to the Earth's ever threatened resources will be reassured to learn that human sperm retains its complete viability within the different ...

Psychology & Psychiatry

Why we won't get to Mars without teamwork

If humanity hopes to make it to Mars anytime soon, we need to understand not just technology, but the psychological dynamic of a small group of astronauts trapped in a confined space for months with no escape, according to ...

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Spaceflight

Spaceflight is the use of space technology to achieve the flight of spacecraft into and through outer space.

Spaceflight is used in space exploration, and also in commercial activities like space tourism and satellite telecommunications. Additional non-commercial uses of spaceflight include space observatories, reconnaissance satellites and other earth observation satellites.

A spaceflight typically begins with a rocket launch, which provides the initial thrust to overcome the force of gravity and propels the spacecraft from the surface of the Earth. Once in space, the motion of a spacecraft -- both when unpropelled and when under propulsion -- is covered by the area of study called astrodynamics. Some spacecraft remain in space indefinitely, some disintegrate during atmospheric reentry, and others reach a planetary or lunar surface for landing or impact.

This text uses material from Wikipedia, licensed under CC BY-SA