4. We were wrong - the testes are connected to the immune system after all. Researchers have discovered a "very small door" that allows the testes to send one-way signals to the immune system, and it could explain why some men struggle with infertility, and why certain cancer vaccines keep failing.
Murder on the Orient Express
Manufacturing has held up better, with profits growing 6.5 per cent, while profits from utilities such as electricity, heat and water grew 17 per cent, boosted by lower energy prices.
Hunger Games star Jennifer Lawrence on Tuesday topped a Forbes magazine list of the world’s highest-paid actress for the second straight year, earning some $46 million, followed by Melissa McCarthy.
7. An unexpected new lung function has been found. Researchers have found that lungs don't just facilitate respiration - they also play a key role in blood production, with the ability to produce more than 10 million platelets (tiny blood cells) per hour. That equates to the majority of platelets in circulation at any given moment.
PBS' 'Vietnam War' series receives a special award.
The Canadian city of Vancouver remains the most expensive location in North America, ranked 21st in the index.
"We have searched for Richard and we have found him. Now it's time to honour him," she said.
In the past two decades, several campus poisoning incidents have sparked mass debates and concerns about students' psychological development and support.