La flecha y el ciclo del tiempo

< p > & nbsp; < /p > < !--[if gte mso 9] > < xml > < w:WordDocument > < w:View > Normal < /w:View > < w:Zoom > 0 < /w:Zoom > < w:HyphenationZone > 21 < /w:HyphenationZone > < w:PunctuationKerning/ > < w:ValidateAgainstSchemas/ > < w:SaveIfXMLInvalid > false < /w:SaveIfXMLInvalid > < w:IgnoreMixedContent > false < /w:IgnoreMixedContent > < w:AlwaysShowPlaceholderText > false < /w:AlwaysShowPlaceholderText > < w:Compatibility > < w:BreakWrappedTables/ > < w:SnapToGridInCell/ > < w:WrapTextWithPunct/ > < w:UseAsianBreakRules/ > < w:DontGrowAutofit/ > < /w:Compatibility > < w:BrowserLevel > MicrosoftInternetExplorer4 < /w:BrowserLevel > < /w:WordDocument > < /xml > < ![endif]-- > < !--[if gte mso 9] > < xml > < w:LatentStyles DefLockedState="false" LatentStyleCount="156" > < /w:LatentStyles > < /xml > < ![endif]-- > < !--[if !mso] > < object classid="clsid:38481807-CA0E-42D2-BF39-B33AF135CC4D" id=ieooui > < /object > < style > st1\:*{behavior:url(#ieooui) } < /style > < ![endif]-- > < !--[if gte mso 10] > < style > /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Tabla normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} < /style > < ![endif]-- > < !--[if gte mso 9] > < xml > < w:WordDocument > < w:View > Normal < /w:View > < w:Zoom > 0 < /w:Zoom > < w:HyphenationZone > 21 < /w:HyphenationZone > < w:PunctuationKerning/ > < w:ValidateAgainstSchemas/ > < w:SaveIfXMLInvalid > false < /w:SaveIfXMLInvalid > < w:IgnoreMixedContent > false < /w:IgnoreMixedContent > < w:AlwaysShowPlaceholderText > false < /w:AlwaysShowPlaceholderText > < w:Compatibility > < w:BreakWrappedTables/ > < w:SnapToGridInCell/ > < w:WrapTextWithPunct/ > < w:UseAsianBreakRules/ > < w:DontGrowAutofit/ > < /w:Compatibility > < w:BrowserLevel > MicrosoftInternetExplorer4 < /w:BrowserLevel > < /w:WordDocument > < /xml > < ![endif]-- > < !--[if gte mso 9] > < xml > < w:LatentStyles DefLockedState="false" LatentStyleCount="156" > < /w:LatentStyles > < /xml > < ![endif]-- > < !--[if !mso] > < object classid="clsid:38481807-CA0E-42D2-BF39-B33AF135CC4D" id=ieooui > < /object > < style > st1\:*{behavior:url(#ieooui) } < /style > < ![endif]-- > < !--[if gte mso 10] > < style > /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Tabla normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} < /style > < ![endif]-- > < p class="MsoNormal" style="text-align: justify;" > < span style="font-size: 10pt; font-family: Arial;" > (1941-2002), paleontólogo, enseñó biología, geología e historia de la ciencia en la Universidad de Harvard durante casi treinta años y dejó una magnífica obra escrita, aclamada en todo el mundo y traducida a diversas lenguas, donde combinaba magistralmente su labor de investigación con la divulgación científica. De su numerosa bibliografía cabe destacar: 'Desde Darwin', 'Dientes de gallina y dedos de caballo', 'Érase una vez el zorro y el erizo' o 'La estructura de la teoría de la evolución'. < /span > < /p >