Cardiac arrest, commonly known as a heart attack, is an often-fatal condition in which the heart stops beating. Epinephrine - adrenaline - is a hormone that stimulates the heart and promotes the flow…

A 29-year-old bottlenose dolphin recently underwent therapeutic bronchoscopy to treat airway narrowing - stenosis - that was interfering with her breathing. The dolphin had developed a cough…

It's that time of year again. The days are shorter and nights are colder and with that comes people blaming bad moods and symptoms of depression on the decreased amount of daylight, saying, “Oh,…

The planet's largest carbon reservoir is not in permafrost or the Amazon rainforest, it is hidden in the Earth's inner core, according to what the authors of a new study in PNAS call a…

In 1997, IBM's Deep Blue computer beat Garry Kasparov at chess. He had won their first encounter in 1996, with 3 wins, 1 loss and 2 draws (4-2), so the team of programmers and chess experts tweaked…

America embarks on a long-lasting trip to Mars this Thursday. Orion’s maiden flight, Exploration Flight Test-1 (EFT-1), slated to test spacecraft’s crucial systems is a critical first step on our…

Relational aggression, such as malicious rumors, social exclusion and rejection, are considered something that girls do more often. The movie "Mean Girls" epitomized it to hilarious effect. A…

In epidemiology, matching curves are often enough to imply causation and so it is often done, even if there is no evidence to warrant the link. There has been an increased use of antibiotics and…

All aboard. Ben Birchall/PA By Sarah Jewitt, University of Nottingham A British “poo bus” went into service last week, powered by biomethane energy derived from human waste at a sewage plant. For…

shutterstock By Carsten Maple, University of Warwick The Counter-Terrorism and Security Bill introduced in the UK parliament this week is designed to place legal requirements on certain businesses to…

Physician attitudes towards mental illness can reflect the general public's prejudice. Dariush M/ Shutterstock By Adam Brenner, UT Southwestern Medical Center Mental illness is a major public health…

Portuguese researchers have developed a new method which uses images of a protein in cells to quantify its distribution (how much protein there is, and where it is in the cell) for that population of…

Statistics on cannabis users skew perceptions of cannabis use. Most statistical surveys of marijuana focus on a single quantitative measurement, “How many people are using?” However, there is a…

Credit: EU By David Glance, University of Western Australia The Parliament of the European Union last week voted to call on member states and the European Commission to investigate the operation of…

Sci-fi realities Mark Bult, CC BY-ND By Ian Crawford, Birkbeck, University of London To date, all human economic activity has depended on the material and energy resources of a single planet;…

Imagine a car that can't get dirty or a business in Ferguson, Missouri that can't be graffiti'ed by unhinged protesters. It might be possible with a new class of highly fluorinated super-repellent…

The first Orion spacecraft launch is just days away, so the excitement grows in America for this maiden flight, which will pave the way for future U.S. deep space missions. When NASA asked people…

The Arctic Ocean sea ice cover emerged 2.6 million years ago - and it hasn't changed since. Not in all of the recurring warming cycles we have had and not even in 2006, when pundits predicted it…

Not as simple as black and white. Fred Bchx, CC BY-NC-SA By Ian Rickard, Durham University Evolutionary psychology, the field that uses the process of natural selection to provide a theoretical…

Igor Stepovik Shutterstock By Roxanne Connelly, University of Edinburgh The World Health Organisation has defined obesity in children as a major threat to public health and the UK government treats…