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Scientists have developed a remarkable liquid robot that blurs the line between machines and living organisms. Created by researchers from Seoul National University and Gachon University, the robot is made from liquid metal coated with a dense armour of microscopic particles and embedded with magnetic particles that allow it to be controlled remotely.

For many years, scientists believed giant kangaroos, which lived in both Australia and New Guinea, became extinct about 40,000 to 50,000 years ago alongside other large mammals during prehistoric times. The giant marsupials, which weighed more than twice as much as the red kangaroo, were thought to have become extinct after humans migrated to the ancient land of Sahul.

Sixty years after its disappearance into the icy depths of the Labrador Sea, Quest, the last vessel linked to Sir Ernest Shackleton, the legendary Antarctic explorer, has been spotted with unprecedented clarity. Using underwater cameras, an international team of scientists has taken high-resolution pictures and three-dimensional images of the wreckage of this iconic ship, a ship that has been ravaged by time but now serves as an undersea haven for marine life.

A 35-day expedition into one of the least explored parts of the Atlantic Ocean has produced two very different discoveries: the first footage of the elusive barreleye fish Winteria telescopa alive in its natural environment, and two previously unknown hydrothermal vent fields hidden along a major tectonic fracture zone about 800 miles off northeastern Brazil.

Early humans in Alaska were sharing their salmon catches with ancient canines 12,000 years ago. This shows that close relationships between humans and dog ancestors developed 2,000 years earlier than anyone previously thought in the Americas.

New infrastructure systems have replaced old water systems with cement-lined channels that are intended to swiftly carry water from one place to another. Old irrigation ditches in agricultural communities have for decades been coated with smooth cement in order to channel away water as fast as possible.

Forests in Japan are now dealing with an unexpected environmental problem. More than a century after the extinction of its native wolves, large numbers of deer are eating saplings before they can mature, hampering natural regeneration.

For years, the common belief among scientists was that human evolution had basically slowed to a crawl once we invented medicine, built cities and started farming our own food. If we could grow enough to eat and treat most illnesses, the thinking went, there was no real pressure left pushing our genes to change.

Richard Feynman is remembered as one of the twentieth century's greatest physicists, a Nobel Prize winner whose work transformed quantum electrodynamics and whose wit made science accessible to millions. Yet behind the celebrated scientist was a man who experienced profound personal loss at a young age.

Scientists at the University of Minnesota say they have built a synthetic cell that can feed, grow, copy its DNA and divide. Some versions also appear to perform better than others, allowing a basic form of selection.