Harvard University biologist Edward O. Wilson, said "If the World population reached 9 billion, this would be unsustainable, based on calculations of the Earth's available resources".
The burning of fossil fuels produces around 21.3 billion tonnes (21.3 gigatonnes) of carbon dioxide (CO2) per year. It is estimated that natural processes can only absorb about half of that amount, so there is a net increase of 10.65 billion tonnes of atmospheric carbon dioxide each year.
The mind, heart, and body can improve with regular meditation. Meditation has gained millions of converts, helping to ease chronic pain, anxiety, stress, improve heart health, boost mood and immunity, and instil a peace and calmness within the mind.
300 million, trillion miles from Earth lurks a black hole, photograph taken by the Event Horizon Telescope.
The Ascent of Man a large pastel triptych, the largest known pastel painting in the world. The first painting shows how life emerges from the atom depicting early evolution, The Crown of Life, this leads to the centre painting, The Crown of Intelligence, where intelligence comes from life, and in the third painting, this portrays the highest aspirations of mankind, The Crown of Compassion.