The emoji features a koala wearing a pair of sunglasses, and will appear automatically when a user tweets using the hashtag #AustraliaDay. An event on Tuesday marks the opening of the digital celebration one week prior to the national holiday on January 26. Australian netizens are also encouraged to tweet their stories and views on the holiday.

Amidst intense smog, China still came out with a 10% decrease in air pollution in 2015. The numbers indicate a direct fall in the consumption of coal. However, despite the small improvement, the situation is still pretty grim as the country, which is home to a host of coal power plants, has now taken the top spot for emitting greenhouse gases. The 'red-alert' situation this winter should be a wake-up call for the government to now take drastic measures to curb the sources of air pollutants.

Previously, an experiment team of a space gardening project called Veggie has also succeeded planting consumable lettuce. The flower bloom is a remarkable step forward to a more advanced technique and choice of plants to grow in space. The project was established because NASA seeks to learn how astronauts can grow their own food in space to sustain long-term space journey.

AMD said that it expects Polaris architecture based GPUs to begin shipments in the middle of 2016. According to the reports one version of Polaris GPU is aimed for light and thin laptops as well as entry-level desktops, while the other is designed for high performance.

KAIST, a Korean science and technology institute has developed the Fireproof Aerial RObot System (FAROS). FAROS is a sort of drone capable of locating humans’ position trapped inside a sky scrapper through its inbuilt thermal imaging camera. The research team, that invents fire fighting drone, has demonstrated the feasibility of the localization system and wall-climbing mechanism in a smoky indoor environment.

The adverse conditions in the global economy and weaker stocks on Wall Street may prevent the US Federal Reserve from going for a rate hike again. Some analysts forecast four more rate hikes in 2016, while Reuters' poll indicate three times hike this year. The slump in commodities, weaker global markets, slowdown in China's economy and lower oil prices are causes of concerns for the US Fed as these are upsetting the Wall Street.

Saudi Arabia and other Gulf nations are buying thousands of acres in the US. Recently, Fondomonte California has purchased 1,790 acres of farmland in California. Almarai bought 10,000 acres of farmland in Arizona two years back. These companies have cultivating alfalfa hay and exporting back it to feed dairy herds. Local farmers in California and Arizona are expressing concerns over drop in groundwater table.

Vodafone Group is confident that as soon as 5G wave hits the world in 2020, Australia will be among the first few countries to adopt this new-age technology. The mobile operator's priority goals include customer satisfaction and customized plans, along with 5G launch. A 5G-friendly Australia will be seen as a super-speedy service that should eliminate all video buffering and enable super-fast downloads.

Palmer Luckey, founder of Oculus Rift company have to stand in court in a lawsuit against him. The plaintiff is Total Recall Technologies that accused the 23-year old to use its data illegally.

Manny Pacquiao has decided to take the final bow after one last fight with arch rival Timothy Bradley. This much-awaited bout is all set to take place in Las Vegas on April 9, marking their trilogy. The boxing champion has decided to run for senatorship in May elections after his retirement and make a difference to his country. Given his popularity, Pacquiao even hopes to run for the presidency which is scheduled to take place in 2022.