People currently speak 7,000 languages around the globe.
There's little research into origins of the geographic patterns of language diversity. A new model exploring processes that shaped Australia's language diversity provides a template for investigators.
President Donald Trump.
Ousting an executive leader from office doesn't always have the intended effect, as these examples from Central and South America show.
The number of adults living with cancer will likely triple in size by 2030.
The number of adults living with cancer is expected to triple in size by 2030. How can we prepare for this public health challenge?
Eight billion cans sold and counting…
Eighty years ago, Hormel Foods introduced a simple, canned meat product called Spam. It would go on to become one of the greatest marketing success stories of all time.
The skyline of Doha, Qatar.
Gregory Hawken Kramer
Qatar has used its wealth to adopt policies sometimes rivaling Saudi Arabia’s. Think, for example, of the popular Al-Jazeera. Now the Saudis seem determined to limit Qatari influence as much as possible.
A mosque in Herat, Afghanistan was attacked on Aug. 1, 2017.
There have been several attacks on Shia mosques in several parts of the world. At its heart is the centuries'-old sectarian Shia-Sunni divide.
It’s software: There’s always a way in.
BeeBright via shutterstock.com
It can be useful to think of hackers as burglars and malicious software as their burglary tools. Both types of miscreants want to find ways into secure places and have many options for entry.
James Comey testifies before the Senate Judiciary Committee.
An FBI historian tells stories from the agency's ups and downs over 109 years and four dismissed directors.
From closed-loop ventilators to smarter vital sign monitors, automation has untapped potential to improve medical outcomes.
In planes, trains and cars, we increasingly entrust our lives to automated safety systems. It's time for medical technology to catch up.
We need better estimates of PTSD to find the best policies to treat it.
Marines via Flickr
We need to know how many people have PTSD to figure out what policies can reduce the burden.
Woman receiving chemotherapy.
New tools help doctors and breast cancer patients decide whether chemotherapy is needed. A recent study suggested that many can forgo chemo. But the decision is complicated. Here's why.
Volume rendered image of the external morphology of the foot bone shows the extent of expansion of the primary bone cancer beyond the surface of the bone.
Patrick Randolph-Quinney (UCLAN)
Cancer is a deadly disease and would have been particularly lethal before the recent development of effective treatments. So why didn’t it – or our susceptibility to it – die out long ago?
Visitors walk past a field of United States flags displayed by the Massachusetts Military Heroes Fund on the Boston Common. The 37,000 flags are planted in memory of every fallen Massachusetts service member from the Revolutionary War to the present.
The culture all veterans share may provide the best support for those struggling with mental health issues.
Civilian doctors might not know that their patients have served in the military. In this photo Marines march around the World Trade Center memorial after participating in a memorial run in 2012.
Asking 'Have you served in the military?' may seem like a minor issue, but it's actually much more important than you might think. And it's a question that few doctors make a point of asking.
The many presentations of breast cancer.
Breast cancer by Shutterstock
Long gone are the days when breast cancer was seen as a tumour with an underlying relationship with oestrogen. The picture is much more complex.
While we search for a cure, we are still searching for cause. A volunteer hangs bras during a promotion against breast cancer in Switzerland in 2008.
Major causes have been identified for most common cancers, like liver and lung. But we still haven't identified one for breast cancer.
One suggestion is that menopause enables women to provide for their grandchildren.
Image from shutterstock.com
Menstruation is a reproductive quirk that humans share with only a few other mammals. But even stranger is the fact that women stop menstruating when they have a whole third of their lives left to live…