12 Thursday, 29 October 2009 London Lite Mean machine: testosterone can make men stingy Return 4times is the rise we can expect to see in space junk during the next 50 years, according to British scientists. Already the Us Air Force tracks 19,000 pieces of space debris 10cm or larger, with which there are roughly 13,000 close approaches a week with active spacecraft. By 2059 this is expected to rise to in excess of 50,000 close approaches. 7.4per cent is how much the average Us household could slash its carbon footprint by 2019 if residents simply started hanging out their laundry instead of tumble drying it. According to a new study the Us could reduce its emissions by 20 per cent in total over the next decade just through simple measures like this and car pooling, insulating their homes and switching to more fuel-efficient vehicles. 1,000,000FrAmes a second is how fast a new camera can capture images. Having such a fast frame rate may seem a little excessive, but its necessary in order to capture slow-motion images of the pulse-like nerve signals that flow through networks of neurons at up to 111mph. 80per cent of UK teenage girls vaccinated against the viruses that cause cervical cancer say being vaccinated reminds them about the risks of sexual contact. And 14 per cent of the girls said they might be more likely to take sexual risks because they have been vaccinated. 3times the amount of energy of a lithium-ion battery is what a swiss company claims its new zinc-air batteries can pack. And the new reVolt batteries should cost half the price when they hit the market next year. Lite bytes Science news in brief from around the world BEEFY men with lots of testosterone are more stingy than those with lower levels, a California study has found. Scientists gave a testosterone gel to 25 male students -- some had a placebo cream instead -- and tested their generosity by seeing how they would split $10 (6) with another volunteer. The testosterone reduced generosity by 27 per cent. concerns about static electricity caused a delay in the first orbital test flight of nasas Ares i-X rocket, destined to replace the space shuttle. the launch was due on tuesday. tHree popular twitterers have been asked to put their tweeting skills to the test and cover the London Freeze, a snowboarding event in Battersea this weekend -- perhaps ushering in a new form of urban journalism. A 10-mETrE wide asteroid with the energy of three Hiroshima bombs exploded in the atmosphere above Indonesia, where witnesses heard the explosion and saw a huge fireball. It happened on 8 October. On the rise: space junk Thesegizmosmaylook vintage,butthescience behindthemishi-tech Science&technology StarTrekinternetphone oKAY, so it may be a little geeky but this communicator-styled internet phone is a must- have for any trekkie. compatible with internet phone services such as skype, just plug it into your computer UsB port and youre away. it comes with that characteristic mesh front to let you flip it open -- just like James t Kirk would -- as well as the familiar communicator chirp sound when a call comes in. in fact, it has 21 different sounds built in. 57.99, find-me-a-gift.co.uk TeacLP-R500 recorddeck it LooKs like a museum piece, but this record deck is not quite as crusty as it appears. Yes, it does play vinyl records and even audio cassettes (remember them?) but it also packs a cD burner, so you can transfer all your old music to modern formats. or if you just want to listen to them in glorious analogue quality, teac has also included a pair of integrated speakers. 445, teac.co.uk The week in numbers ISnT it amazing what a difference a decade can make? One minute were horrified at what we were wearing back in the Eighties and then suddenly it seems so right again. now the same thing is happening with technology -- retro gadgets are flying off the shelves as we clamour for a piece of our cultural history and a quick fix of nostalgia. This week, its time to go back to the future, as DUnCAn GrAHAm-rOWE rounds up the latest must-have old-style gizmos... 2 index.html2.html3.html4.html5.html6.html7.html8.html9.html10.html11.html12.html13.html14.html15.html16.html17.html18.html19.html20.html21.html22.html23.html24.html25.html26.html27.html28.html29.html30.html31.html32.html33.html34.html35.html36.html37.html38.html39.html40.html41.html42.html43.html