Believe it or not, peak phosphorus is probably our biggest global emergency, but hardly anyone is talking about it. The problem Phosphorus is one of the most the important elements of life. It is a major component of RNA, DNA, … Verder lezen
Establishing shelter outside of a cave or rockshelter is one of the oldest inventions of humans. Archaeologists have recognized several styles of homes and dwellings made over the past 30,000 years, beginning with the earliest recorded ancient houses of mammoth … Verder lezen
A Nubian vault is a type of curved surface forming a vaulted structure. The Nubian Vault technique is an age old method of timberless vault construction, originating in upper Egypt. It uses only earth bricks and earth mortar. Nubian vaults built over 3,000 years ago … Verder lezen
The term off-grid refers to not being connected to a grid, mainly used in terms of not being connected to a main or national electrical grid. Off-the-grid homes are autonomous; they do not rely on municipal water supply, sewer, natural … Verder lezen
Summer is here and so are the mosquitoes. It is a good time to get smart and plant some mosquito repellent plants in and around our garden so you can use it without fearing for the nasty bites! Here are … Verder lezen
Turning the compost is something most people with a garden and a compost pile do, as many believe it is necessary for one reason or another. Turn, turn, turn, has become the mantra of composters worldwide. But is it really … Verder lezen
The best time-saving measure a gardener can take is applying mulch. This goes for every garden, from vegetable garden to flower bed. Mulched gardens are healthier, more weed free, and more drought-resistant then un-mulched gardens, so you’ll spend less time … Verder lezen
In structural terms reciprocal roof structures are ‘three dimensional assemblies of mutually supporting beams’. But behind this definition lie some breathtakingly beautiful and complex structures at the heart of buildings both ancient and modern. A reciprocal roof must be formed by … Verder lezen
In the first study of its kind, research undertaken at the University of Southampton has cast significant doubt over the use of biochar to alleviate climate change. Biochar is produced when wood is combusted at high temperatures to make bio-oil and has … Verder lezen
Brazil’s public prosecutor wants to suspend use of glyphosate, the active ingredient in Monsanto’s pervasive herbicide Roundup. A recent study suggested glyphosate may be linked to a fatal kidney disease that has affected poor farming regions worldwide. The Prosecutor General’s … Verder lezen