Our collections are constantly revitalised through new acquisitions. Recently, a travelling carriage has been donated to the National Trust’s Carriage Museum at Arlington Court, Devon and a 17th-century perspective painting by Hendrick van Steenwyck has returned to Ham House, Surrey. We look after over 300 historic buildings and nearly one million works of art, which need constant care to maintain them. You can help protect these important buildings and collections by donating today. A quarter century after the first "test tube" baby, the use of assisted reproductive technology has risen astronomically. In July, the American Alliance of Museums released findings…