1) Emanuel talks about tidal disruption events. Here the references:
http://arxiv.org/pdf/1501.04365.pdf (Shiokawa et al. 2015)
http://arxiv.org/pdf/1501.04635.pdf (Bonnerot et al. 2015)
http://arxiv.org/pdf/1501.05207.pdf (Hayasaki et al. 2015)
2) Oleg presents a paper entitled "Abundance of live 244Pu in deep-sea reservoirs on Earth points to rarity of actinide nucleosynthesis” (http://www.nature.com/ncomms/2015/150120/ncomms6956/full/ncomms6956.html)