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A. Like seeds, which don't germinate until the right time of year, special chemicals or hormones control leaf fall, or winter dormancy to give it its proper name. As autumn approaches and the leaf
00:00 Mon 10th Sep 2001derekrob has obviously got an annoying, potentially dangerous pest on his hands and is looking for advice. Here, The AnswerBank provides some pointers, but don't forget, your local council's
00:00 Mon 10th Sep 2001A. It's genetic condition that causes people to have little or no pigment in their eyes, skin, or hair. Albinism is an inherited condition, where the genes do not produce the pigment melanin. Q.
00:00 Mon 03rd Sep 2001Asked Mother recently. A. The answer is yes, but the term 'drinks like a fish' only applies to saltwater or marine fish. Fresh water fish drink virtually no water and take in only a small amount
00:00 Mon 03rd Sep 2001A. Bumblefoot is the common name for ulcerative pododermatitis, a bird’s version of athlete's foot. The skin on the underside of the foot becomes starved of oxygen and dies, becoming broken and
00:00 Mon 27th Aug 2001A. They're Near Earth Objects, comets and asteroids whose orbits bring them close enough to Earth for scientists to keep an eye on them. Q. What are the scientists looking for A. Large objects
00:00 Mon 27th Aug 2001The PlatypusA. Yes, in fact there are three: the duck-billed platypus and two species of echidna, or 'spiny anteaters', collectively they're known as monotremes. Q Why are they classified as
00:00 Mon 27th Aug 2001A. Using the hundreds of tube 'feet' that run beneath their arms. The starfish draws water through its body and feeds it through to these suctioned bottomed tubes, which are usually attached to
00:00 Mon 20th Aug 2001A. This term has been given to a series of geological event around 750 million years ago when the Earth was covered in ice. The Earth became a giant snowball, reflecting back any of the Sun’s
00:00 Mon 20th Aug 2001A. It all depends on which definition of 'planet' is being used. Q. Is there more than one A. So it appears, or rather different degrees of the same basic idea. A planet can be described as a
00:00 Mon 20th Aug 2001A. The giant squid, or Architeuthis dux to give it its Latin name. Of the 500 species of squid Architeuthis dux is the biggest of them all. Q. Just how big is it A. At least up to 18m in length
00:00 Mon 13th Aug 2001A. Possibly linked to the perception that owls are wise, a group of them is called a parliament of owls. Q. What makes owls such good hunters A. Owls are raptors, or birds of prey, hunting
00:00 Mon 13th Aug 2001 A. All summer! A wasp colony starts building its nest in the spring, and this gradually gets bigger as the colony grows. In autumn the nest reaches peak size and is then abandoned. Only a
00:00 Mon 13th Aug 2001 A. As you've pointed out, since they're on the same bunch it's not down to differences in the local ripening affects of their environment. The berries are pre-programmed to ripen at the different
00:00 Tue 07th Aug 2001 A. Genetically, nothing comes closer; we share 98.5% of our genes with these African apes. Physically, again, humans resemble chimpanzees more than any other animal. Our skeletons reveal our
00:00 Tue 07th Aug 2001A. As homer and allen ives pointed out in their answers, not all cats hate water. Q. Did cats ever hunt fish themselves A. Quite possibly. The common house cat's, (Felis domesticus), wild
00:00 Tue 07th Aug 2001A. Of 13 species of great whale seven have either endangered or vulnerable status. The Northern Atlantic right whale, with no more than 350 of these animals remaining, has the least remaining
00:00 Sun 29th Jul 2001A. Because the tap water you use contains dissolved air, which is forced out of solution, forming gas bubbles when frozen, creating cloudy ice cubes. Q. Why are the edges often clear and the
00:00 Sun 29th Jul 2001A. Yes they do. Q. Why doesn't seawater harm the gulls A. They can drink seawater because they have a mechanism for expelling the salt as residue through their nostrils, creating the crusty
00:00 Sun 29th Jul 2001saltwater crocodileA. It depends on whether you talking about swimming or running. The group Crocodilians, which alligators and crocodiles are members of, has a unique method of locomotion for
00:00 Sun 29th Jul 2001
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