Adventure Ausrama Blog

Natural pollination was used for years in plant research. it was thought to be the only way that a "pure" line could be preserved. Plants vary in characteristics depending on altitude and longitude. Crossing plants from different geographical region was the method put forward by Nobel Prize Laureate Dr Norman Borlaug who led the way in the Green Revolution. This method only produced three generations of new varieties each year. A different system was needed. Embryo culture is the result. This is used in combination with changes in water, temperature, humidity, light and potting mix and is much more productive. Plant embryos are like stem cells. The neutral "baby" plants are nurtured and placed onto a media culture that determines what type of plant they will become.; Pure-line plant genotypes are obtained in a shorter period. This is a major change in the creation of new crops that will feed the world's growing population. It will obviously take sever

Be careful! There might be a gollywog about. A Melbourne woman saw a gollywog doll for sale and she is now campaigning to stop it. But is she stopping racism or preventing the gollywog from existing? This all goes back to the Noddy series of books by Enid Blyton. Gollywog, who held an important position as Toytown garage proprietor, was a major character. Enid Blyton had no racial intentions by including him. Though she did admit that she hated children. The woman says, “It’s a shock to see them brought back." However, they didn't actually go away. They have been available for many years in shops despite Gollywog's removal from Blyton books after 1980. These days you can buy Caucasion, Asian and African style dolls, so what is the big problem about selling gollywogs? Banning things always causes problems because it makes an issue out of something when no bad feeling is intended. Australians used to call people from Italy and Greece wogs in the 1960s and 70s. These new

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Though Australia is the world's leader in development of the scramjet, it needs partners to meet the objective of successful launch. The Defence Science and Technology Organisation (DSTO) led by the University of Queensland has put together a group of 13 to test the rocket. The launch will take place above the Arctic Circle in September. Preparation of the rocket has begun in Norway. There is a learning curve. A lot is expected to be learned from the project. Hypersonic physics and combustion is a relatively new area of research. The aim is to be able to launch satellites cheaper. The overall cost of the launch is $14 million, believed to be money well spent. There is no doubt that participating scientists will be nervous on day zero. The two-stage rocket will leave Andoya Rocket Range and soar to 320 kilometers. When the thrusters cease it will gently fall back to earth in a swan dive. Unfortunately, the scramjet will not be salvaged. It is set to self-destruct

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Who would have thought that ear wax would add to scientific knowledge. A wax ear plug from a dead 12 years old whale has shed more light on its life. Traditional research involved blubber, faeces and blood. Lipids, keratin and waxes built up by two layers a year. This was used to tell the age of the whale. When sliced ultrafine, 24 separate rings were identified. Closer analysis was done and various industrial chemicals and pesticides were found. Some of the chemicals persisted in the wax despite being banned world wide ten years before. There is no doubt that these chemicals were stored in the females fat and passed onto the young. Mercury was high at two periods in the whale"s life. Testosterone level rose when the whale reached maturity at ten years of age. The high chemical rate is believed to have an indirect effect on the high cortisol level, the stress hormone. However, a 12 year old male would have been driven to compete with other males for females and form so