Astronomers may have, for the first time, directly imaged a planet still in the process of formation, gathering material from a debris disk surrounding its parent star.
Making progress on family planning will require not only principles and commitments, but successful implementation, which must include four crucial elements, says John May of the US-based think tank Centre for Global Development. Millions of women, particularly in developing countries, lack information on — and access to — family planning services. This not only jeopardizes…
Recent media stories suggest that anti-aging medicine may soon change from fantasy into a scientifically realistic prospect. If anti-aging medicine is to become a reality, then the various theories about how to halt or reverse the aging process will require testing on human subjects. Carrying out such tests will place unprecedented pressure on the rules…
Once again quantum physics gives us philosophical implications: physicists showed how a small amount of randomness can be amplified without limit. Classical physics is deterministic: for example, we can determine the position and velocity of a particle at any time in the future. Quantum theory, on the other hand, states that there exist processes which…
The 5,300-year-old Iceman had brown eyes, Lyme disease and modern-day Mediterranean relatives
The carbon footprint of the science community is tiny by comparison with the rest of society. Yet changes will not happen if nobody takes the lead. And people who have benefited from a great education and earn by comparison a very good income should surely be well positioned to take on some ethical leadership. Perhaps…
Scientists have identified the largest ancient Mayan dam, constructed from stone and holding back around 20 million gallons of water in a man-made reservoir. The Tikal dam stretched more than 260 feet in length and was 33 feet high, and sheds new light on how the Maya conserved their natural resources for over 1,500 years….