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Johns Hopkins University

A new study carried out at Johns Hopkins University suggests that a moderate dose of caffe...

Caffeine is one the world’s favorite productivity fuels and in many countries people choose a caffeinated drink, mainly coffee, to ignite the day. Although some people rightly worry about over-consuming the stuff, a new study suggests that a moderate daily dosage may enhance our memory.  Read More

The Bimanual Dexterous Robotics Platform equipped with Modular Prosthetic Limbs (both deve...

A new bomb disposal robot developed at the Johns Hopkins University Applied Physics Laboratory (APL) is blurring the line between advanced prosthetics and robotics. Rather than building arms and hands from scratch specifically for the robot, the Bimanual Dexterous Robotics Platform (BDRP) is equipped with artificial limbs designed for amputees. The combination is relatively unique, and provided the team with a secondary use for the Modular Prosthetic Limb (MPL) it developed for the DARPA Revolutionizing Prosthetics program.  Read More

From left, students Anshul Mehra, Yejin Kim and Jeffrey Kamei, with their faculty sponsor ...

Whether it’s through parents’ forgetfulness, ignorance or just plain not caring, it does sometimes happen ... small children die from heatstroke after being left unattended in a hot parked car. According to a 2012 study conducted by the US National Highway Traffic Safety Administration, an average of 38 such deaths occur in the United States alone each year. While various systems have been developed to help keep this from happening, three engineering undergrads from Baltimore’s Johns Hopkins University have taken a unique approach. They’ve converted a Microsoft Kinect into a child-in-the-hot-car detector.  Read More

A 300-micrometer microgripper at the opening of a cathether

When procuring tissue samples for medical diagnosis, doctors have been confined to bulky and invasive forceps. But with recent successful experiments in pigs, we may see doctors switching from the single forceps to hordes of a thousand "microgrippers." These metal discs, each only 300 micrometers in size, are designed to snip bits of tissue when introduced en masse into the body and then be easily retrieved by a doctor. Their small size, added to the fact that they need no batteries, tethers or wires, belies their complexity and autonomy in function, which could allow the microgrippers to provide diagnoses earlier, more easily, and with less trauma.  Read More

The backpack-mounted Enhanced Mapping and Positioning System (EMAPS), being tried out aboa...

Mapping environmental threats in GPS-inaccessible locations – such as underground installations, or the passageways of ships – can certainly pose some challenges. While there are robotic systems that can do the job, robots aren’t necessarily the best choice for cramped quarters or uneven terrain. That’s why a team of scientists at Johns Hopkins University have developed the backpack-mounted Enhanced Mapping and Positioning System ... or EMAPS.  Read More

Artist’s concept of the US-European Asteroid Impact and Deflection mission (AIDA)

When you’re trying to keep a rogue asteroid from hitting Earth, you’d better get it right the first time. With this in mind, the European Space Agency (ESA) is looking for new ideas to help develop a US-European asteroid deflection mission. With a target date of October, 2022, the purpose of the mission is to send a pair of spacecraft to a near-Earth asteroid where one will impact it while the other observes the effect.  Read More

Full-color image of Mercury from MESSENGER's first flyby (NASA/Johns Hopkins University Ap...

The MESSENGER spacecraft has made a compelling case for the presence of water in the form of ice on the surface of the Solar System's smallest and innermost planet, Mercury. The case is supported by three independent groups of evidence from different sensors aboard the Mercury orbiter.  Read More

A rendering and a photo of the SMART tool

No matter how steady you try to hold your hand, it will still tremble several times a second, moving a distance roughly the same as the thickness of a sheet of paper each time. While that might not matter much for the average person, it can be a very big deal to surgeons performing fine-scale surgery on things like eyes or nerve fibers. While there are experimental robotic devices to help smooth out the shakes, researchers from Johns Hopkins University have come up with something else – a surgical tool with a jiggling tip.  Read More

Light from the primordial galaxy, dubbed 'MACS 1149-JD', traveled approximately 13.2 billi...

A team of Johns Hopkins University astronomers have spotted what may well be the most distant galaxy ever detected. Dubbed "MACS 1149-JD", the discovery provides insight into the most remote epoch of cosmic history, as light captured from the faint galaxy shone forth when the universe was just 500 million years old – or 3.6 percent of its present age.  Read More

Micrograph of endothelial tissue grown from blood-derived pluripotent stem cells

There are ongoing moral and ethical battles concerning the farming and application of human embryonic stem cells in medical research and applications. Without judging any of the viewpoints represented in the fracas, it is clear that the stem cell world would be a friendlier place if the harvesting of embryonic stem cells were not necessary. Toward this goal, Johns Hopkins scientists have developed a reliable method to turn the clock back on blood cells, restoring them to a primitive stem cell state from which they can then develop into any other type of cell in the body.  Read More

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