منابع مشابه
Swordfish worries
The swordfish now ranks as one of the Mediterranean's most vulnerable species, the EU announced last month, proposing new measures to protect diminishing stocks. As well as continuing a swordfish fishing ban for two consecutive months each year — October and November this year — the EU wants to prevent the 'by-catch' of swordfish by vessels that are supposed to be fishing for other species. Thi...
متن کاملWhen swordfish conservation biologists eat swordfish.
We are seeing species decline and disappear at everincreasing rates. Environmental problems have become so widespread and emergencies so common that they are no longer perceived as drama. Few news items have the power to grasp our attention and elicit a sense of dismay. Gossip is presented alongside ecologic disaster and stock-market issues compete with nuclear threat and extermination of innoc...
متن کاملIsland worries
additional risk, he says, comes from the very property that regenerative medicine wants replacement organs to possess, namely invisibility to the immune system. " Tissues derived from iPSC may share with ES cells the potential to display immune privilege which may provide a 'safe haven' in which rare transformed cells may develop into tumours or viral pathogens may flourish under the radar of t...
متن کاملDiversity worries
But the giant weta from New Zealand holds the record as the heaviest insect. As a flightless insect, it has put on the bulk. A female measuring just 80 mm long has been recorded at 71 grammes. In perspective, most beetles at this length probably weigh 5 grammes and birds of this size would probably weigh 12 grammes. And, of course, the colonial insects break records. Jones notes that leafcutter...
متن کاملWinter worries
spend the next nine months without making landfall. And it is becoming increasingly clear that very little is known about the birds during this time. As they breed only above 50 degrees latitude, they are considered cold-water birds, but researchers working with puffins breeding at England's largest colony on the Farne Islands are concerned about their winter environment as there has recently b...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Current Biology
سال: 2009
ISSN: 0960-9822
DOI: 10.1016/j.cub.2009.11.026