Scientists have mapped out the genes that keep our cells alive, thereby revealing which genes are crucial in diseases like cancer.


New gene map shows cancer's weak link


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Countering established views about how human tools and technologies come to improve from generation to generation, a new study has found that teaching is not essential for people to learn to make effective tools.


Teaching not key to cultural progress, effective tools


Researchers have developed a new approach to rapidly expand the number of human liver cells in the laboratory without losing their unique metabolic function.


Lab-grown functional human liver cells to aid treatment


Smoking high-potency cannabis can damage a crucial part of the brain responsible for communication between the two brain hemispheres, researchers warn.


High-potency cannabis kills white matter in brain


Because increased temperature also affects greenhouse gas emissions that arise naturally, global warming will progress faster than what was previously believed, projects a new study.


Climate change will proceed faster than expected: Study


Cocoa and green tea contain substances that can help prevent and treat renal complications or diabetic retinopathy, a study has shown.


Cocoa, green tea can help combat diabetes: study


Scientists for the first time caught a glimpse of a black hole swallowing a star and shooting out a high-speed flare of matter at the centre of a nearby galaxy.


Glimpse of black hole swallowing star, shooting flare


Rio de Janeiro, Nov 26 (IANS/EFE) Cacao and green tea contain substances that may help prevent and treat kidney complications and retinal lesions caused by diabetes, according to scientists at Brazil's Campinas State University.


Cacao, green tea may treat complications from diabetes


If you have sweet tooth, following a low-sugar diet for three months may not change the level of sweetness you prefer in foods and beverages, suggests new research.


Low-sugar diets won't change your love for sweetness


People are happiest about their sex lives after a year into their relationship, and thereafter the frequency and passion in the action between the sheets gradually declines, a new study says.


Why sex loses steam after just one year of relationship


If you are suffering from ailments related to the heart, make it a point to get up and move every half an hour as researchers have found that patients with heart disease who sit a lot have worse health even if they exercise.


Heart patient? Cut down on sitting time


Human exposure to nature is linked to safer communities with better social and community interactions, says a new study.


Contact with nature enhances social bonding: Study


Researchers have developed a new test for club drugs like ketamine that can detect low levels of drugs in urine and plasma.


New test detects 'party pill' use faster


In a major advancement towards therapies for patients with liver damage, scientists have developed a new technique for growing liver cells from stem cells that is cost-effective and could be adapted for mass production of clinical grade cells.


Effective therapies for liver damage come closer


The widespread misuse of skin creams and lotions that contain steroids in India is harmful and out of control, warns a Gujarat-based dermatologist.


'Harmful use of steroid lotions widespread in India'


Women with diabetes who are exposed to air pollution for long period may have a much higher risk for heart disease, says a new study.


Air pollution puts diabetic women at high heart disease risk


While it is known that price, not just taste, can impact our evaluation of a restaurant meal, researchers have now discovered which part of the meal matters the most in judging quality of a pricey food.


How you judge a pricey pizza


Scientists have discovered a new compound that shows promise for treating deadly skin cancers like melanoma that are resistant or unresponsive to leading therapies today.


Promising new melanoma drug in the offing


Rio de Janeiro, Nov 25 (IANS/EFE) An eyeless, cave-dwelling arachnid species recently discovered by Brazilian scientists has been named "Smeagol" in honour of a character in J.R.R. Tolkien's "Lord of the Rings", the Sao Paulo State Research Foundation (Fapesp) said.


New arachnid species gets name inspired by 'Lord of the Rings'


Visceral or "belly fat" stored within the abdominal cavity can do more harm to health than subcutaneous fat (fatty tissue lying directly under the skin), says an expert.


Hidden belly fat may be killing you: Expert


Japanese scientists have discovered a protein, found in humans, that has inhibitory effects on the human immuno-deficiency virus (HIV), the media reported on Wednesday.

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