Coral fears

Coral fears

reached so far to the south-east of Africa as Natal, seems to me extraordinary”, wrote Witherby. The primary purpose of bird ringing was to map bird migration, and much information about migration routes and winter and summer destinations has been obtained over the past century. Ringing is still based on the original principles but techniques have been refined and improved. And researchers have...

Hopes and fears for future of coral reefs

Coral reefs are widely recognised as vital yet highly vulnerable ecosystems.Recent studies have demonstrated the possibility of recovery after disturbance,but also the continuing threats and decline. Michael Gross reports.

Dealing with Futile Fears

بدون ترس شانس کمتری برای رسیدن به دوران تکاملی داریم. ترس منطقی به ما می گوید که از چه چیز پرهیز کنیم، به ما کمک می کند که با مشکلات روبرو شویم و ما را در مقابل خطرات حقبقی محافظت می کند. در طرف دیگر آن نوع ترس هائی که از مقوله ترسهای مرضی است، غیرمنطقی می باشد و آثار فیزیکی و روحی بی شماری را باعث می گردد.

Childhood Fears

G20 fears

37 per cent of all human-induced methane, which is largely produced by the digestive system of ruminants, and 64 per cent of ammonia, which contributes significantly to acid rain. Livestock now use 30 per cent of the earth’s entire land surface, the report says, mostly on permanent pasture but also including 33 per cent of the global arable land — used to produce feed for livestock, the report ...