People the world over wake up happy but get grumpier as the workday progresses, reported researchers from Cornell University on Friday after trailing Twitter for two years to track the attitudes of 2.4 million people in 84 countries.
A snapshot of the current thinking in medicine, fitness and lifestyle trends that impact your life.

Several things make celebrity yoga guru Swami Ramdev experience mind-seizing rages. Corruption drives the pranayama-pushing baba into foot-stomping Rumpelstiltskinian fury.

Robotic surgery throws up images of scalpel-wielding androids making precise little incisions, and the truth is not far from it. The robotic arms manoeuvring the tiny surgical instruments are remotely controlled by a highly-trained surgeon from a console across the room.
Akshay Kumar, 15, has several things in common with the Bollywood star of the same name — he has a toothy grin, is something of a celebrity in his village and he loves a good fight.
Actor Priyanka Chopra, 28, spent all of Thursday last week asking teenage girls in Sanganer village in Rajasthan to eat healthy under a UNICEF initiative. She should consider doing the same for her young urban fans too.
Functional foodThe very little known nerve disorder called trigeminal neuralgia shot to instant fame after actor Salman "six-pack" Khan, 45, underwent surgery for it in the US this week.
On the eve of this Ganesh Chaturthi, I was given a delightful bit of homework by a Thai devotee of Vinayaka. He had an artwork of Ganesha in Devanagari calligraphy with names like 'Gajanan', 'Ekadanta' and so on assembled to form a sitting Ganesha, complete with mouse and modak platter.
A snapshot of the current thinking in medicine, fitness and lifestyle trends that impact your life.
On June 5, 1981, the first HIV case was reported in the US. In June 2001, the UN General Assembly Special Session on Aids declared it a “global emergency”. This week, world leaders will meet for a UN General Assembly on Aids to chart the way forward.
Sanchita Sharma in conversation.
30 yrs of AIDS"Is this the face of a killer?” Jack Kevorkian, the assisted-suicide champion, better known as ‘Dr Death’ for helping more than 100 terminally-ill people end their lives died on Friday at the age of 83 in a Michigan hospital. Sanchita Sharma writes.

Privacy watchdogs are demanding answers from Apple Inc about why iPhones and iPads are secretly collecting location data on users - records that cellular service providers routinely keep but require a court order to disgorge.
The Law Commission on Tuesday decided to seek the opinion of different sections of society on its proposed review of stringent provisions of the anti-dowry law, which faces widespread complaints of misuse.
Scientists and geeky doctors have replaced new-age gurus, helping India reclaim its place as a leader in the global thought-pool.

Last week, I met a three-year-old princess who was very, very sad. Unlike fairytale princesses who get their smile back with a wave of the fairy godmother's magic wand, this little princess needed a whole lot of pills and counselling before she learnt how to laugh again.