Horizon looks at dark energy - the mysterious force that is unexpectedly causing the universe's expansion to speed up. The effects of dark energy were discovered in 1998 but physicists still don't know what it is. Worse, its very existence calls into question Albert Einstein's general theory of relativity - the cornerstone of modern physics. The hunt for the identity of dark en...

探索變性的真正意義，通過(guò)那些親身經(jīng)歷過(guò)的人，探索跨性別者所經(jīng)歷的生理以及心理變化。

【File1:瘋子鄰居】鄰居的脫軌行為越來(lái)越夸張，難不成有不可告人的秘密... 　　【File2:全力揮棒】一個(gè)不找工作的年輕人上傳自己的墮落生活視頻，被母親責罵后惱羞成怒，一氣之下... 　　【File3:遺失物】年輕夫婦慶祝新居落成時(shí)，突然，一個(gè)沒(méi)見(jiàn)過(guò)的手機鈴聲響起... 　　【File4:拷問(wèn)看護】受看護照顧的爺爺看起來(lái)不太對勁，就在家人進(jìn)行調查時(shí)，意外發(fā)現恐怖真相... 　　【File5:靈異驗證（前篇）】前往知名靈異景點(diǎn)的兩個(gè)年輕人，竟開(kāi)始做出詭譎異常的荒唐舉動(dòng)... 　　【File6:外表80歲的12歲】劇組人員收到一支老人在說(shuō)話(huà)的視頻，只是畫(huà)面中的?老人?，越看越不對勁... 　　【File7:意外的陷阱】女高中生在公園跌倒，脖子受了重傷。之后，劇組發(fā)現一支叫?狩獵?的奇怪視頻... 　　【File8:生日宴會(huì )上的禮物】女初中生們開(kāi)心慶祝生日，但其實(shí)，這是一場(chǎng)慘絕...

The Ebola virus. No-one knows exactly where it comes from but one thing is certain - it's one of the most virulent infections known to science. This special episode of Horizon meets the scientists and doctors from all around the world looking for the cure and hears first-hand accounts of what it's actually like to catch - and survive - this terrible disease.

肯亞?wèn)|非大裂谷中曾經(jīng)戰亂不斷。如今這裡的居民開(kāi)始聯(lián)手拯救一群因大洪水而受困，且瀕臨滅絕的長(cháng)頸鹿。