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DNA reveals Roots author Alex Haley had Scottish blood
March 01, 2009
DNA testing has revealed Roots author Alex Haley was descended from a Scotsman.Researchers found his nephew is distantly related to a woman from South Wales who has traced her lineage back to 17th Century Scotland.Haley s best-selling novel told how his mother was descended from an African man kidnapped into slavery.The DNA evidence supports anecdotes that another ancestor was a white man working on a slave plantation.The author s nephew Chris Ha..
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Ghost peaks emerge from the ice
By Jonathan AmosScience reporter, BBC NewsScientists have completed their mission to map one of the most extraordinary mountain ranges on Earth.The Gamburtsevs are a set of peaks equal in size to the European Alps, but they are hidden deep under the ice in the middle of the Antarctic continent.The survey data gathered by the multi-national team wor
Fishing scheme throws lifeline to endangered albatross
There could be new hope for endangered seabirds, after a scheme to make fishing safer for them proved to be a big success.Three-quarters of albatross species are at a risk of extinction, largely due to techniques used to catch fish such as tuna.Fishermen set baited hooks on long trailing lines, but seabirds are attracted to the bait and can become
A pride in peril
By Peter BassettProducer, Nature s Great Events: The Great MigrationThe migration of wildebeest is one of the most familiar events on the globe.Each year, over a million wildebeest and many hundreds of thousands of gazelles and zebras gather in one corner of Tanzania s Serengeti plains.And for the predators here, with this plentiful food supply, it
Rare cheetah captured on camera
The first camera-trap photographs of the critically endangered Northwest African, or Saharan cheetah, have been obtained in an experiment in Algeria.The images were captured as part of a project run by the Zoological Society of London (ZSL) and Office du Parc National de l Ahaggar (OPNA).The animal is known with certainty to range in six countries:
US CO2 hunter set for lift-off
By Jonathan AmosScience reporter, BBC NewsNasa is all set to launch its first mission dedicated to measuring carbon dioxide (CO2) from space.The Orbiting Carbon Observatory (OCO) will help pinpoint the key locations on our planet s surface where the gas is being emitted and absorbed.CO2 s increased concentration in the atmosphere will lead to globa
Telescope spies cataclysmic blast
Astronomers have recorded the most powerful radiation blast from deep space yet detected. The event was observed by Nasa s recently launched Fermi Gamma-ray Space Telescope and reported in the online edition of the journal Science.The source of the blast is assumed to be the catastrophic implosion of a star, to create a black hole.Scientists say th
Superguns of Elizabeth I s navy
The English navy at around the time of the Armada was evolving revolutionary new tactics, according to new research.Tests on cannon recovered from an Elizabethan warship suggest she carried powerful cast iron guns, of uniform size, firing standard ammunition."This marked the beginning of a kind of mechanisation of war," says naval historian Profess
Mercury pollution treaty proposed
"Ministers... decided the time for talking was over - the time for action on this pollution is now"Achim Steiner, UnepWorld governments have agreed to crack down on mercury pollution.Environment ministers meeting in Nairobi have initiated a process that should end in a legally binding, international treaty.The landmark decision was taken
In a swirl
By Paul RinconScience reporter, BBC NewsAn online initiative which asks members of the public to classify galaxies recorded unprecedented traffic in its first 48 hours.The venture is a follow-up to the Galaxy Zoo project launched in 2007.Co-founder Dr Chris Lintott said the website had been getting 12 clicks per second in its first two days.He said
Closing the net
"The problem of illegal fishing is enormously widespread," observes Michael Lodge, an OECD fisheries expert."We have estimated the problem as being as much as 20% of the global catch."Since 2000, the UN has been warning about the grave consequences of overfishing in the world s seas.However, the impact of illegal fishing is adding to the strain on
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DNA testing has revealed Roots author Alex Haley was descended from a Scotsman.Researchers found his nephew is distantly related to a woman from South Wales who has traced her lineage back to 17th Century Scotland.Haley s best-selling novel told how his mother was descended from an African man kidnapped into slavery.The DNA evidence supports anecdotes that another ancestor was a white man working on a slave plantation.The author s nephew Chris Ha..
